Home / 132,177.36-197,965.10-103,535.52

Finding the Fourth Proportional to 132,177.36, 197,965.10 and 103,535.52

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Solution

The fourth proportional to 132,177.36, 197,965.10 and 103,535.52 is: 155,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,177.36 : 197,965.10 = 103,535.52 : x
  2. Step 2: Convert to fraction form
    132,177.36/197,965.10 = 103,535.52/x
  3. Step 3: Cross multiply
    132,177.36x = 197,965.10 × 103,535.52
  4. Step 4: Simplify right side
    132,177.36x = 20,496,419,570.35
  5. Step 5: Solve for x
    x = 20,496,419,570.35/132,177.36
  6. Step 6: Final answer
    x = 155,067.55

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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.