Home / 658,134.69-987,202.04-159,498.69

Finding the Fourth Proportional to 658,134.69, 987,202.04 and 159,498.69

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Solution

The fourth proportional to 658,134.69, 987,202.04 and 159,498.69 is: 239,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,134.69 : 987,202.04 = 159,498.69 : x
  2. Step 2: Convert to fraction form
    658,134.69/987,202.04 = 159,498.69/x
  3. Step 3: Cross multiply
    658,134.69x = 987,202.04 × 159,498.69
  4. Step 4: Simplify right side
    658,134.69x = 157,457,431,347.83
  5. Step 5: Solve for x
    x = 157,457,431,347.83/658,134.69
  6. Step 6: Final answer
    x = 239,248.04

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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.