Home / 168,861.16-253,391.20-62,320.12

Finding the Fourth Proportional to 168,861.16, 253,391.20 and 62,320.12

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Solution

The fourth proportional to 168,861.16, 253,391.20 and 62,320.12 is: 93,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,861.16 : 253,391.20 = 62,320.12 : x
  2. Step 2: Convert to fraction form
    168,861.16/253,391.20 = 62,320.12/x
  3. Step 3: Cross multiply
    168,861.16x = 253,391.20 × 62,320.12
  4. Step 4: Simplify right side
    168,861.16x = 15,791,369,990.94
  5. Step 5: Solve for x
    x = 15,791,369,990.94/168,861.16
  6. Step 6: Final answer
    x = 93,516.89

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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.