Home / 239,921.85-359,668.89-121,532.25

Finding the Fourth Proportional to 239,921.85, 359,668.89 and 121,532.25

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Solution

The fourth proportional to 239,921.85, 359,668.89 and 121,532.25 is: 182,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,921.85 : 359,668.89 = 121,532.25 : x
  2. Step 2: Convert to fraction form
    239,921.85/359,668.89 = 121,532.25/x
  3. Step 3: Cross multiply
    239,921.85x = 359,668.89 × 121,532.25
  4. Step 4: Simplify right side
    239,921.85x = 43,711,369,456.70
  5. Step 5: Solve for x
    x = 43,711,369,456.70/239,921.85
  6. Step 6: Final answer
    x = 182,190.03

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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.