Home / 121,231.20-181,883.52-94,668.96

Finding the Fourth Proportional to 121,231.20, 181,883.52 and 94,668.96

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Solution

The fourth proportional to 121,231.20, 181,883.52 and 94,668.96 is: 142,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,231.20 : 181,883.52 = 94,668.96 : x
  2. Step 2: Convert to fraction form
    121,231.20/181,883.52 = 94,668.96/x
  3. Step 3: Cross multiply
    121,231.20x = 181,883.52 × 94,668.96
  4. Step 4: Simplify right side
    121,231.20x = 17,218,723,679.54
  5. Step 5: Solve for x
    x = 17,218,723,679.54/121,231.20
  6. Step 6: Final answer
    x = 142,032.11

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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.