Home / 261,654.08-392,519.52-84,102.56

Finding the Fourth Proportional to 261,654.08, 392,519.52 and 84,102.56

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Solution

The fourth proportional to 261,654.08, 392,519.52 and 84,102.56 is: 126,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,654.08 : 392,519.52 = 84,102.56 : x
  2. Step 2: Convert to fraction form
    261,654.08/392,519.52 = 84,102.56/x
  3. Step 3: Cross multiply
    261,654.08x = 392,519.52 × 84,102.56
  4. Step 4: Simplify right side
    261,654.08x = 33,011,896,481.97
  5. Step 5: Solve for x
    x = 33,011,896,481.97/261,654.08
  6. Step 6: Final answer
    x = 126,166.18

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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.