Home / 132,401.06-198,489.64-57,464.87

Finding the Fourth Proportional to 132,401.06, 198,489.64 and 57,464.87

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Solution

The fourth proportional to 132,401.06, 198,489.64 and 57,464.87 is: 86,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,401.06 : 198,489.64 = 57,464.87 : x
  2. Step 2: Convert to fraction form
    132,401.06/198,489.64 = 57,464.87/x
  3. Step 3: Cross multiply
    132,401.06x = 198,489.64 × 57,464.87
  4. Step 4: Simplify right side
    132,401.06x = 11,406,181,358.95
  5. Step 5: Solve for x
    x = 11,406,181,358.95/132,401.06
  6. Step 6: Final answer
    x = 86,148.72

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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.