Home / 284,227.06-392,233.87-156,902.80

Finding the Fourth Proportional to 284,227.06, 392,233.87 and 156,902.80

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Solution

The fourth proportional to 284,227.06, 392,233.87 and 156,902.80 is: 216,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,227.06 : 392,233.87 = 156,902.80 : x
  2. Step 2: Convert to fraction form
    284,227.06/392,233.87 = 156,902.80/x
  3. Step 3: Cross multiply
    284,227.06x = 392,233.87 × 156,902.80
  4. Step 4: Simplify right side
    284,227.06x = 61,542,592,457.84
  5. Step 5: Solve for x
    x = 61,542,592,457.84/284,227.06
  6. Step 6: Final answer
    x = 216,526.16

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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.