Home / 132,139.62-198,153.54-53,232.66

Finding the Fourth Proportional to 132,139.62, 198,153.54 and 53,232.66

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Solution

The fourth proportional to 132,139.62, 198,153.54 and 53,232.66 is: 79,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,139.62 : 198,153.54 = 53,232.66 : x
  2. Step 2: Convert to fraction form
    132,139.62/198,153.54 = 53,232.66/x
  3. Step 3: Cross multiply
    132,139.62x = 198,153.54 × 53,232.66
  4. Step 4: Simplify right side
    132,139.62x = 10,548,240,022.62
  5. Step 5: Solve for x
    x = 10,548,240,022.62/132,139.62
  6. Step 6: Final answer
    x = 79,826.47

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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.