Home / 132,505.72-198,802.34-53,576.90

Finding the Fourth Proportional to 132,505.72, 198,802.34 and 53,576.90

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Solution

The fourth proportional to 132,505.72, 198,802.34 and 53,576.90 is: 80,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,505.72 : 198,802.34 = 53,576.90 : x
  2. Step 2: Convert to fraction form
    132,505.72/198,802.34 = 53,576.90/x
  3. Step 3: Cross multiply
    132,505.72x = 198,802.34 × 53,576.90
  4. Step 4: Simplify right side
    132,505.72x = 10,651,213,089.95
  5. Step 5: Solve for x
    x = 10,651,213,089.95/132,505.72
  6. Step 6: Final answer
    x = 80,383.04

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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.