Home / 253,815.39-350,279.24-140,635.71

Finding the Fourth Proportional to 253,815.39, 350,279.24 and 140,635.71

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Solution

The fourth proportional to 253,815.39, 350,279.24 and 140,635.71 is: 194,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,815.39 : 350,279.24 = 140,635.71 : x
  2. Step 2: Convert to fraction form
    253,815.39/350,279.24 = 140,635.71/x
  3. Step 3: Cross multiply
    253,815.39x = 350,279.24 × 140,635.71
  4. Step 4: Simplify right side
    253,815.39x = 49,261,768,912.48
  5. Step 5: Solve for x
    x = 49,261,768,912.48/253,815.39
  6. Step 6: Final answer
    x = 194,085.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.