Home / 165,787.92-228,780.18-94,167.72

Finding the Fourth Proportional to 165,787.92, 228,780.18 and 94,167.72

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Solution

The fourth proportional to 165,787.92, 228,780.18 and 94,167.72 is: 129,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,787.92 : 228,780.18 = 94,167.72 : x
  2. Step 2: Convert to fraction form
    165,787.92/228,780.18 = 94,167.72/x
  3. Step 3: Cross multiply
    165,787.92x = 228,780.18 × 94,167.72
  4. Step 4: Simplify right side
    165,787.92x = 21,543,707,931.79
  5. Step 5: Solve for x
    x = 21,543,707,931.79/165,787.92
  6. Step 6: Final answer
    x = 129,947.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.