Home / 132,101.83-198,150.45-53,214.04

Finding the Fourth Proportional to 132,101.83, 198,150.45 and 53,214.04

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Solution

The fourth proportional to 132,101.83, 198,150.45 and 53,214.04 is: 79,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101.83 : 198,150.45 = 53,214.04 : x
  2. Step 2: Convert to fraction form
    132,101.83/198,150.45 = 53,214.04/x
  3. Step 3: Cross multiply
    132,101.83x = 198,150.45 × 53,214.04
  4. Step 4: Simplify right side
    132,101.83x = 10,544,385,972.32
  5. Step 5: Solve for x
    x = 10,544,385,972.32/132,101.83
  6. Step 6: Final answer
    x = 79,820.14

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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.