Home / 132,369.18-198,544.05-38,882.22

Finding the Fourth Proportional to 132,369.18, 198,544.05 and 38,882.22

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Solution

The fourth proportional to 132,369.18, 198,544.05 and 38,882.22 is: 58,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,369.18 : 198,544.05 = 38,882.22 : x
  2. Step 2: Convert to fraction form
    132,369.18/198,544.05 = 38,882.22/x
  3. Step 3: Cross multiply
    132,369.18x = 198,544.05 × 38,882.22
  4. Step 4: Simplify right side
    132,369.18x = 7,719,833,431.79
  5. Step 5: Solve for x
    x = 7,719,833,431.79/132,369.18
  6. Step 6: Final answer
    x = 58,320.47

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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.