Home / 432,853.03-649,284.41-133,331.23

Finding the Fourth Proportional to 432,853.03, 649,284.41 and 133,331.23

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Solution

The fourth proportional to 432,853.03, 649,284.41 and 133,331.23 is: 199,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,853.03 : 649,284.41 = 133,331.23 : x
  2. Step 2: Convert to fraction form
    432,853.03/649,284.41 = 133,331.23/x
  3. Step 3: Cross multiply
    432,853.03x = 649,284.41 × 133,331.23
  4. Step 4: Simplify right side
    432,853.03x = 86,569,889,005.12
  5. Step 5: Solve for x
    x = 86,569,889,005.12/432,853.03
  6. Step 6: Final answer
    x = 199,998.34

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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.