Home / 132,901.19-199,355.45-42,947.75

Finding the Fourth Proportional to 132,901.19, 199,355.45 and 42,947.75

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Solution

The fourth proportional to 132,901.19, 199,355.45 and 42,947.75 is: 64,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901.19 : 199,355.45 = 42,947.75 : x
  2. Step 2: Convert to fraction form
    132,901.19/199,355.45 = 42,947.75/x
  3. Step 3: Cross multiply
    132,901.19x = 199,355.45 × 42,947.75
  4. Step 4: Simplify right side
    132,901.19x = 8,561,868,311.39
  5. Step 5: Solve for x
    x = 8,561,868,311.39/132,901.19
  6. Step 6: Final answer
    x = 64,422.81

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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.