Home / 121,255.32-181,903.37-54,693.84

Finding the Fourth Proportional to 121,255.32, 181,903.37 and 54,693.84

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Solution

The fourth proportional to 121,255.32, 181,903.37 and 54,693.84 is: 82,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,255.32 : 181,903.37 = 54,693.84 : x
  2. Step 2: Convert to fraction form
    121,255.32/181,903.37 = 54,693.84/x
  3. Step 3: Cross multiply
    121,255.32x = 181,903.37 × 54,693.84
  4. Step 4: Simplify right side
    121,255.32x = 9,948,993,540.77
  5. Step 5: Solve for x
    x = 9,948,993,540.77/121,255.32
  6. Step 6: Final answer
    x = 82,049.95

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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.