Home / 284,229.36-392,226.20-156,902.22

Finding the Fourth Proportional to 284,229.36, 392,226.20 and 156,902.22

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Solution

The fourth proportional to 284,229.36, 392,226.20 and 156,902.22 is: 216,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,229.36 : 392,226.20 = 156,902.22 : x
  2. Step 2: Convert to fraction form
    284,229.36/392,226.20 = 156,902.22/x
  3. Step 3: Cross multiply
    284,229.36x = 392,226.20 × 156,902.22
  4. Step 4: Simplify right side
    284,229.36x = 61,541,161,522.16
  5. Step 5: Solve for x
    x = 61,541,161,522.16/284,229.36
  6. Step 6: Final answer
    x = 216,519.37

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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.