Home / 136,161.76-204,061.20-61,265.92

Finding the Fourth Proportional to 136,161.76, 204,061.20 and 61,265.92

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Solution

The fourth proportional to 136,161.76, 204,061.20 and 61,265.92 is: 91,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,161.76 : 204,061.20 = 61,265.92 : x
  2. Step 2: Convert to fraction form
    136,161.76/204,061.20 = 61,265.92/x
  3. Step 3: Cross multiply
    136,161.76x = 204,061.20 × 61,265.92
  4. Step 4: Simplify right side
    136,161.76x = 12,501,997,154.30
  5. Step 5: Solve for x
    x = 12,501,997,154.30/136,161.76
  6. Step 6: Final answer
    x = 91,817.24

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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.