Home / 113,147.24-169,742.76-38,279.58

Finding the Fourth Proportional to 113,147.24, 169,742.76 and 38,279.58

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Solution

The fourth proportional to 113,147.24, 169,742.76 and 38,279.58 is: 57,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,147.24 : 169,742.76 = 38,279.58 : x
  2. Step 2: Convert to fraction form
    113,147.24/169,742.76 = 38,279.58/x
  3. Step 3: Cross multiply
    113,147.24x = 169,742.76 × 38,279.58
  4. Step 4: Simplify right side
    113,147.24x = 6,497,681,560.84
  5. Step 5: Solve for x
    x = 6,497,681,560.84/113,147.24
  6. Step 6: Final answer
    x = 57,426.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.