Home / 231,865.74-348,151.77-220,448.18

Finding the Fourth Proportional to 231,865.74, 348,151.77 and 220,448.18

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Solution

The fourth proportional to 231,865.74, 348,151.77 and 220,448.18 is: 331,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,865.74 : 348,151.77 = 220,448.18 : x
  2. Step 2: Convert to fraction form
    231,865.74/348,151.77 = 220,448.18/x
  3. Step 3: Cross multiply
    231,865.74x = 348,151.77 × 220,448.18
  4. Step 4: Simplify right side
    231,865.74x = 76,749,424,930.66
  5. Step 5: Solve for x
    x = 76,749,424,930.66/231,865.74
  6. Step 6: Final answer
    x = 331,008.04

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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.