Home / 132,001.20-198,100.22-53,116.11

Finding the Fourth Proportional to 132,001.20, 198,100.22 and 53,116.11

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Solution

The fourth proportional to 132,001.20, 198,100.22 and 53,116.11 is: 79,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.20 : 198,100.22 = 53,116.11 : x
  2. Step 2: Convert to fraction form
    132,001.20/198,100.22 = 53,116.11/x
  3. Step 3: Cross multiply
    132,001.20x = 198,100.22 × 53,116.11
  4. Step 4: Simplify right side
    132,001.20x = 10,522,312,810.96
  5. Step 5: Solve for x
    x = 10,522,312,810.96/132,001.20
  6. Step 6: Final answer
    x = 79,713.77

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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.