Home / 136,085.52-204,082.86-57,185.04

Finding the Fourth Proportional to 136,085.52, 204,082.86 and 57,185.04

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Solution

The fourth proportional to 136,085.52, 204,082.86 and 57,185.04 is: 85,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,085.52 : 204,082.86 = 57,185.04 : x
  2. Step 2: Convert to fraction form
    136,085.52/204,082.86 = 57,185.04/x
  3. Step 3: Cross multiply
    136,085.52x = 204,082.86 × 57,185.04
  4. Step 4: Simplify right side
    136,085.52x = 11,670,486,512.41
  5. Step 5: Solve for x
    x = 11,670,486,512.41/136,085.52
  6. Step 6: Final answer
    x = 85,758.47

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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.