Home / 168,414.18-252,600.78-105,239.94

Finding the Fourth Proportional to 168,414.18, 252,600.78 and 105,239.94

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Solution

The fourth proportional to 168,414.18, 252,600.78 and 105,239.94 is: 157,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,414.18 : 252,600.78 = 105,239.94 : x
  2. Step 2: Convert to fraction form
    168,414.18/252,600.78 = 105,239.94/x
  3. Step 3: Cross multiply
    168,414.18x = 252,600.78 × 105,239.94
  4. Step 4: Simplify right side
    168,414.18x = 26,583,690,931.15
  5. Step 5: Solve for x
    x = 26,583,690,931.15/168,414.18
  6. Step 6: Final answer
    x = 157,847.11

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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.