Home / 132,332.42-198,498.15-57,442.79

Finding the Fourth Proportional to 132,332.42, 198,498.15 and 57,442.79

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Solution

The fourth proportional to 132,332.42, 198,498.15 and 57,442.79 is: 86,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,332.42 : 198,498.15 = 57,442.79 : x
  2. Step 2: Convert to fraction form
    132,332.42/198,498.15 = 57,442.79/x
  3. Step 3: Cross multiply
    132,332.42x = 198,498.15 × 57,442.79
  4. Step 4: Simplify right side
    132,332.42x = 11,402,287,545.84
  5. Step 5: Solve for x
    x = 11,402,287,545.84/132,332.42
  6. Step 6: Final answer
    x = 86,163.98

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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.