Home / 129,338.60-193,882.14-61,853.16

Finding the Fourth Proportional to 129,338.60, 193,882.14 and 61,853.16

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Solution

The fourth proportional to 129,338.60, 193,882.14 and 61,853.16 is: 92,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,338.60 : 193,882.14 = 61,853.16 : x
  2. Step 2: Convert to fraction form
    129,338.60/193,882.14 = 61,853.16/x
  3. Step 3: Cross multiply
    129,338.60x = 193,882.14 × 61,853.16
  4. Step 4: Simplify right side
    129,338.60x = 11,992,223,026.56
  5. Step 5: Solve for x
    x = 11,992,223,026.56/129,338.60
  6. Step 6: Final answer
    x = 92,719.60

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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.