Home / 113,620.15-156,788.76-62,630.24

Finding the Fourth Proportional to 113,620.15, 156,788.76 and 62,630.24

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Solution

The fourth proportional to 113,620.15, 156,788.76 and 62,630.24 is: 86,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620.15 : 156,788.76 = 62,630.24 : x
  2. Step 2: Convert to fraction form
    113,620.15/156,788.76 = 62,630.24/x
  3. Step 3: Cross multiply
    113,620.15x = 156,788.76 × 62,630.24
  4. Step 4: Simplify right side
    113,620.15x = 9,819,718,060.07
  5. Step 5: Solve for x
    x = 9,819,718,060.07/113,620.15
  6. Step 6: Final answer
    x = 86,425.85

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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.