Home / 284,280.76-392,307.19-156,957.13

Finding the Fourth Proportional to 284,280.76, 392,307.19 and 156,957.13

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Solution

The fourth proportional to 284,280.76, 392,307.19 and 156,957.13 is: 216,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,280.76 : 392,307.19 = 156,957.13 : x
  2. Step 2: Convert to fraction form
    284,280.76/392,307.19 = 156,957.13/x
  3. Step 3: Cross multiply
    284,280.76x = 392,307.19 × 156,957.13
  4. Step 4: Simplify right side
    284,280.76x = 61,575,410,620.76
  5. Step 5: Solve for x
    x = 61,575,410,620.76/284,280.76
  6. Step 6: Final answer
    x = 216,600.70

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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.