Home / 132,101.92-198,142.20-37,328.28

Finding the Fourth Proportional to 132,101.92, 198,142.20 and 37,328.28

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Solution

The fourth proportional to 132,101.92, 198,142.20 and 37,328.28 is: 55,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101.92 : 198,142.20 = 37,328.28 : x
  2. Step 2: Convert to fraction form
    132,101.92/198,142.20 = 37,328.28/x
  3. Step 3: Cross multiply
    132,101.92x = 198,142.20 × 37,328.28
  4. Step 4: Simplify right side
    132,101.92x = 7,396,307,521.42
  5. Step 5: Solve for x
    x = 7,396,307,521.42/132,101.92
  6. Step 6: Final answer
    x = 55,989.40

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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.