Home / 113,344.91-156,441.38-88,766.97

Finding the Fourth Proportional to 113,344.91, 156,441.38 and 88,766.97

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Solution

The fourth proportional to 113,344.91, 156,441.38 and 88,766.97 is: 122,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,344.91 : 156,441.38 = 88,766.97 : x
  2. Step 2: Convert to fraction form
    113,344.91/156,441.38 = 88,766.97/x
  3. Step 3: Cross multiply
    113,344.91x = 156,441.38 × 88,766.97
  4. Step 4: Simplify right side
    113,344.91x = 13,886,826,841.38
  5. Step 5: Solve for x
    x = 13,886,826,841.38/113,344.91
  6. Step 6: Final answer
    x = 122,518.32

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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.