Home / 132,401.75-198,490.66-57,465.56

Finding the Fourth Proportional to 132,401.75, 198,490.66 and 57,465.56

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Solution

The fourth proportional to 132,401.75, 198,490.66 and 57,465.56 is: 86,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,401.75 : 198,490.66 = 57,465.56 : x
  2. Step 2: Convert to fraction form
    132,401.75/198,490.66 = 57,465.56/x
  3. Step 3: Cross multiply
    132,401.75x = 198,490.66 × 57,465.56
  4. Step 4: Simplify right side
    132,401.75x = 11,406,377,284.23
  5. Step 5: Solve for x
    x = 11,406,377,284.23/132,401.75
  6. Step 6: Final answer
    x = 86,149.75

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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.