Home / 150,221.73-207,305.55-86,559.38

Finding the Fourth Proportional to 150,221.73, 207,305.55 and 86,559.38

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Solution

The fourth proportional to 150,221.73, 207,305.55 and 86,559.38 is: 119,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,221.73 : 207,305.55 = 86,559.38 : x
  2. Step 2: Convert to fraction form
    150,221.73/207,305.55 = 86,559.38/x
  3. Step 3: Cross multiply
    150,221.73x = 207,305.55 × 86,559.38
  4. Step 4: Simplify right side
    150,221.73x = 17,944,238,842.03
  5. Step 5: Solve for x
    x = 17,944,238,842.03/150,221.73
  6. Step 6: Final answer
    x = 119,451.69

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Double scale
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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.