Home / 113,272.98-156,257.82-67,929.18

Finding the Fourth Proportional to 113,272.98, 156,257.82 and 67,929.18

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Solution

The fourth proportional to 113,272.98, 156,257.82 and 67,929.18 is: 93,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,272.98 : 156,257.82 = 67,929.18 : x
  2. Step 2: Convert to fraction form
    113,272.98/156,257.82 = 67,929.18/x
  3. Step 3: Cross multiply
    113,272.98x = 156,257.82 × 67,929.18
  4. Step 4: Simplify right side
    113,272.98x = 10,614,465,581.19
  5. Step 5: Solve for x
    x = 10,614,465,581.19/113,272.98
  6. Step 6: Final answer
    x = 93,706.95

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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.