Home / 138,022.39-207,077.34-49,273.93

Finding the Fourth Proportional to 138,022.39, 207,077.34 and 49,273.93

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Solution

The fourth proportional to 138,022.39, 207,077.34 and 49,273.93 is: 73,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,022.39 : 207,077.34 = 49,273.93 : x
  2. Step 2: Convert to fraction form
    138,022.39/207,077.34 = 49,273.93/x
  3. Step 3: Cross multiply
    138,022.39x = 207,077.34 × 49,273.93
  4. Step 4: Simplify right side
    138,022.39x = 10,203,514,355.75
  5. Step 5: Solve for x
    x = 10,203,514,355.75/138,022.39
  6. Step 6: Final answer
    x = 73,926.52

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1.5x scale

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.