Home / 132,101.28-198,158.20-42,153.53

Finding the Fourth Proportional to 132,101.28, 198,158.20 and 42,153.53

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Solution

The fourth proportional to 132,101.28, 198,158.20 and 42,153.53 is: 63,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101.28 : 198,158.20 = 42,153.53 : x
  2. Step 2: Convert to fraction form
    132,101.28/198,158.20 = 42,153.53/x
  3. Step 3: Cross multiply
    132,101.28x = 198,158.20 × 42,153.53
  4. Step 4: Simplify right side
    132,101.28x = 8,353,066,532.27
  5. Step 5: Solve for x
    x = 8,353,066,532.27/132,101.28
  6. Step 6: Final answer
    x = 63,232.29

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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.