Home / 132,380.46-198,320.13-102,652.38

Finding the Fourth Proportional to 132,380.46, 198,320.13 and 102,652.38

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Solution

The fourth proportional to 132,380.46, 198,320.13 and 102,652.38 is: 153,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.46 : 198,320.13 = 102,652.38 : x
  2. Step 2: Convert to fraction form
    132,380.46/198,320.13 = 102,652.38/x
  3. Step 3: Cross multiply
    132,380.46x = 198,320.13 × 102,652.38
  4. Step 4: Simplify right side
    132,380.46x = 20,358,033,346.41
  5. Step 5: Solve for x
    x = 20,358,033,346.41/132,380.46
  6. Step 6: Final answer
    x = 153,784.28

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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.