Home / 432,738.78-649,108.17-166,624.62

Finding the Fourth Proportional to 432,738.78, 649,108.17 and 166,624.62

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Solution

The fourth proportional to 432,738.78, 649,108.17 and 166,624.62 is: 249,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,738.78 : 649,108.17 = 166,624.62 : x
  2. Step 2: Convert to fraction form
    432,738.78/649,108.17 = 166,624.62/x
  3. Step 3: Cross multiply
    432,738.78x = 649,108.17 × 166,624.62
  4. Step 4: Simplify right side
    432,738.78x = 108,157,402,165.15
  5. Step 5: Solve for x
    x = 108,157,402,165.15/432,738.78
  6. Step 6: Final answer
    x = 249,936.93

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.