Home / 113,149.35-156,146.54-62,166.20

Finding the Fourth Proportional to 113,149.35, 156,146.54 and 62,166.20

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Solution

The fourth proportional to 113,149.35, 156,146.54 and 62,166.20 is: 85,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,149.35 : 156,146.54 = 62,166.20 : x
  2. Step 2: Convert to fraction form
    113,149.35/156,146.54 = 62,166.20/x
  3. Step 3: Cross multiply
    113,149.35x = 156,146.54 × 62,166.20
  4. Step 4: Simplify right side
    113,149.35x = 9,707,035,943.38
  5. Step 5: Solve for x
    x = 9,707,035,943.38/113,149.35
  6. Step 6: Final answer
    x = 85,789.59

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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.