Home / 136,078.23-204,120.15-49,521.14

Finding the Fourth Proportional to 136,078.23, 204,120.15 and 49,521.14

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Solution

The fourth proportional to 136,078.23, 204,120.15 and 49,521.14 is: 74,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,078.23 : 204,120.15 = 49,521.14 : x
  2. Step 2: Convert to fraction form
    136,078.23/204,120.15 = 49,521.14/x
  3. Step 3: Cross multiply
    136,078.23x = 204,120.15 × 49,521.14
  4. Step 4: Simplify right side
    136,078.23x = 10,108,261,890.87
  5. Step 5: Solve for x
    x = 10,108,261,890.87/136,078.23
  6. Step 6: Final answer
    x = 74,282.73

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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.