Home / 137,658.05-190,034.97-92,319.56

Finding the Fourth Proportional to 137,658.05, 190,034.97 and 92,319.56

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Solution

The fourth proportional to 137,658.05, 190,034.97 and 92,319.56 is: 127,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,658.05 : 190,034.97 = 92,319.56 : x
  2. Step 2: Convert to fraction form
    137,658.05/190,034.97 = 92,319.56/x
  3. Step 3: Cross multiply
    137,658.05x = 190,034.97 × 92,319.56
  4. Step 4: Simplify right side
    137,658.05x = 17,543,944,815.01
  5. Step 5: Solve for x
    x = 17,543,944,815.01/137,658.05
  6. Step 6: Final answer
    x = 127,445.83

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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.