Home / 136,636.38-204,987.92-52,395.04

Finding the Fourth Proportional to 136,636.38, 204,987.92 and 52,395.04

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Solution

The fourth proportional to 136,636.38, 204,987.92 and 52,395.04 is: 78,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,636.38 : 204,987.92 = 52,395.04 : x
  2. Step 2: Convert to fraction form
    136,636.38/204,987.92 = 52,395.04/x
  3. Step 3: Cross multiply
    136,636.38x = 204,987.92 × 52,395.04
  4. Step 4: Simplify right side
    136,636.38x = 10,740,350,267.92
  5. Step 5: Solve for x
    x = 10,740,350,267.92/136,636.38
  6. Step 6: Final answer
    x = 78,605.35

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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.