Home / 132,108.28-198,160.08-53,220.48

Finding the Fourth Proportional to 132,108.28, 198,160.08 and 53,220.48

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Solution

The fourth proportional to 132,108.28, 198,160.08 and 53,220.48 is: 79,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108.28 : 198,160.08 = 53,220.48 : x
  2. Step 2: Convert to fraction form
    132,108.28/198,160.08 = 53,220.48/x
  3. Step 3: Cross multiply
    132,108.28x = 198,160.08 × 53,220.48
  4. Step 4: Simplify right side
    132,108.28x = 10,546,174,574.44
  5. Step 5: Solve for x
    x = 10,546,174,574.44/132,108.28
  6. Step 6: Final answer
    x = 79,829.78

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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.