Home / 165,123.15-247,516.60-65,146.11

Finding the Fourth Proportional to 165,123.15, 247,516.60 and 65,146.11

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Solution

The fourth proportional to 165,123.15, 247,516.60 and 65,146.11 is: 97,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,123.15 : 247,516.60 = 65,146.11 : x
  2. Step 2: Convert to fraction form
    165,123.15/247,516.60 = 65,146.11/x
  3. Step 3: Cross multiply
    165,123.15x = 247,516.60 × 65,146.11
  4. Step 4: Simplify right side
    165,123.15x = 16,124,743,650.43
  5. Step 5: Solve for x
    x = 16,124,743,650.43/165,123.15
  6. Step 6: Final answer
    x = 97,652.83

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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.