Home / 284,226.47-392,233.29-156,902.06

Finding the Fourth Proportional to 284,226.47, 392,233.29 and 156,902.06

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Solution

The fourth proportional to 284,226.47, 392,233.29 and 156,902.06 is: 216,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,226.47 : 392,233.29 = 156,902.06 : x
  2. Step 2: Convert to fraction form
    284,226.47/392,233.29 = 156,902.06/x
  3. Step 3: Cross multiply
    284,226.47x = 392,233.29 × 156,902.06
  4. Step 4: Simplify right side
    284,226.47x = 61,542,211,593.78
  5. Step 5: Solve for x
    x = 61,542,211,593.78/284,226.47
  6. Step 6: Final answer
    x = 216,525.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.