Home / 165,087.60-247,631.40-108,006.90

Finding the Fourth Proportional to 165,087.60, 247,631.40 and 108,006.90

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Solution

The fourth proportional to 165,087.60, 247,631.40 and 108,006.90 is: 162,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,087.60 : 247,631.40 = 108,006.90 : x
  2. Step 2: Convert to fraction form
    165,087.60/247,631.40 = 108,006.90/x
  3. Step 3: Cross multiply
    165,087.60x = 247,631.40 × 108,006.90
  4. Step 4: Simplify right side
    165,087.60x = 26,745,899,856.66
  5. Step 5: Solve for x
    x = 26,745,899,856.66/165,087.60
  6. Step 6: Final answer
    x = 162,010.35

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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.