Home / 113,147.22-169,742.68-38,279.54

Finding the Fourth Proportional to 113,147.22, 169,742.68 and 38,279.54

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Solution

The fourth proportional to 113,147.22, 169,742.68 and 38,279.54 is: 57,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,147.22 : 169,742.68 = 38,279.54 : x
  2. Step 2: Convert to fraction form
    113,147.22/169,742.68 = 38,279.54/x
  3. Step 3: Cross multiply
    113,147.22x = 169,742.68 × 38,279.54
  4. Step 4: Simplify right side
    113,147.22x = 6,497,671,708.77
  5. Step 5: Solve for x
    x = 6,497,671,708.77/113,147.22
  6. Step 6: Final answer
    x = 57,426.70

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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.