Home / 132,010.40-198,064.20-53,132.60

Finding the Fourth Proportional to 132,010.40, 198,064.20 and 53,132.60

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Solution

The fourth proportional to 132,010.40, 198,064.20 and 53,132.60 is: 79,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,010.40 : 198,064.20 = 53,132.60 : x
  2. Step 2: Convert to fraction form
    132,010.40/198,064.20 = 53,132.60/x
  3. Step 3: Cross multiply
    132,010.40x = 198,064.20 × 53,132.60
  4. Step 4: Simplify right side
    132,010.40x = 10,523,665,912.92
  5. Step 5: Solve for x
    x = 10,523,665,912.92/132,010.40
  6. Step 6: Final answer
    x = 79,718.46

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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.