Home / 136,565.82-204,708.42-52,306.20

Finding the Fourth Proportional to 136,565.82, 204,708.42 and 52,306.20

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Solution

The fourth proportional to 136,565.82, 204,708.42 and 52,306.20 is: 78,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,565.82 : 204,708.42 = 52,306.20 : x
  2. Step 2: Convert to fraction form
    136,565.82/204,708.42 = 52,306.20/x
  3. Step 3: Cross multiply
    136,565.82x = 204,708.42 × 52,306.20
  4. Step 4: Simplify right side
    136,565.82x = 10,707,519,558.20
  5. Step 5: Solve for x
    x = 10,707,519,558.20/136,565.82
  6. Step 6: Final answer
    x = 78,405.56

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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.