Home / 261,755.12-392,634.17-93,281.91

Finding the Fourth Proportional to 261,755.12, 392,634.17 and 93,281.91

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Solution

The fourth proportional to 261,755.12, 392,634.17 and 93,281.91 is: 139,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,755.12 : 392,634.17 = 93,281.91 : x
  2. Step 2: Convert to fraction form
    261,755.12/392,634.17 = 93,281.91/x
  3. Step 3: Cross multiply
    261,755.12x = 392,634.17 × 93,281.91
  4. Step 4: Simplify right side
    261,755.12x = 36,625,664,842.46
  5. Step 5: Solve for x
    x = 36,625,664,842.46/261,755.12
  6. Step 6: Final answer
    x = 139,923.40

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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.