Home / 150,785.55-225,850.28-121,261.05

Finding the Fourth Proportional to 150,785.55, 225,850.28 and 121,261.05

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Solution

The fourth proportional to 150,785.55, 225,850.28 and 121,261.05 is: 181,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,785.55 : 225,850.28 = 121,261.05 : x
  2. Step 2: Convert to fraction form
    150,785.55/225,850.28 = 121,261.05/x
  3. Step 3: Cross multiply
    150,785.55x = 225,850.28 × 121,261.05
  4. Step 4: Simplify right side
    150,785.55x = 27,386,841,489.29
  5. Step 5: Solve for x
    x = 27,386,841,489.29/150,785.55
  6. Step 6: Final answer
    x = 181,627.76

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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.