Home / 150,034.11-207,122.36-115,965.61

Finding the Fourth Proportional to 150,034.11, 207,122.36 and 115,965.61

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Solution

The fourth proportional to 150,034.11, 207,122.36 and 115,965.61 is: 160,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,034.11 : 207,122.36 = 115,965.61 : x
  2. Step 2: Convert to fraction form
    150,034.11/207,122.36 = 115,965.61/x
  3. Step 3: Cross multiply
    150,034.11x = 207,122.36 × 115,965.61
  4. Step 4: Simplify right side
    150,034.11x = 24,019,069,858.28
  5. Step 5: Solve for x
    x = 24,019,069,858.28/150,034.11
  6. Step 6: Final answer
    x = 160,090.73

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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.