Home / 132,329.70-198,494.28-57,440.16

Finding the Fourth Proportional to 132,329.70, 198,494.28 and 57,440.16

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Solution

The fourth proportional to 132,329.70, 198,494.28 and 57,440.16 is: 86,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329.70 : 198,494.28 = 57,440.16 : x
  2. Step 2: Convert to fraction form
    132,329.70/198,494.28 = 57,440.16/x
  3. Step 3: Cross multiply
    132,329.70x = 198,494.28 × 57,440.16
  4. Step 4: Simplify right side
    132,329.70x = 11,401,543,202.28
  5. Step 5: Solve for x
    x = 11,401,543,202.28/132,329.70
  6. Step 6: Final answer
    x = 86,160.12

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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.