Home / 136,215.52-204,321.23-61,282.75

Finding the Fourth Proportional to 136,215.52, 204,321.23 and 61,282.75

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Solution

The fourth proportional to 136,215.52, 204,321.23 and 61,282.75 is: 91,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,215.52 : 204,321.23 = 61,282.75 : x
  2. Step 2: Convert to fraction form
    136,215.52/204,321.23 = 61,282.75/x
  3. Step 3: Cross multiply
    136,215.52x = 204,321.23 × 61,282.75
  4. Step 4: Simplify right side
    136,215.52x = 12,521,366,040.57
  5. Step 5: Solve for x
    x = 12,521,366,040.57/136,215.52
  6. Step 6: Final answer
    x = 91,923.20

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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.