Home / 113,298.20-156,348.20-62,310.88

Finding the Fourth Proportional to 113,298.20, 156,348.20 and 62,310.88

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Solution

The fourth proportional to 113,298.20, 156,348.20 and 62,310.88 is: 85,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,298.20 : 156,348.20 = 62,310.88 : x
  2. Step 2: Convert to fraction form
    113,298.20/156,348.20 = 62,310.88/x
  3. Step 3: Cross multiply
    113,298.20x = 156,348.20 × 62,310.88
  4. Step 4: Simplify right side
    113,298.20x = 9,742,193,146.68
  5. Step 5: Solve for x
    x = 9,742,193,146.68/113,298.20
  6. Step 6: Final answer
    x = 85,987.19

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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.