Home / 121,593.44-182,454.38-86,282.93

Finding the Fourth Proportional to 121,593.44, 182,454.38 and 86,282.93

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Solution

The fourth proportional to 121,593.44, 182,454.38 and 86,282.93 is: 129,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,593.44 : 182,454.38 = 86,282.93 : x
  2. Step 2: Convert to fraction form
    121,593.44/182,454.38 = 86,282.93/x
  3. Step 3: Cross multiply
    121,593.44x = 182,454.38 × 86,282.93
  4. Step 4: Simplify right side
    121,593.44x = 15,742,698,497.73
  5. Step 5: Solve for x
    x = 15,742,698,497.73/121,593.44
  6. Step 6: Final answer
    x = 129,469.97

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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.