Home / 262,905.20-394,397.40-96,680.24

Finding the Fourth Proportional to 262,905.20, 394,397.40 and 96,680.24

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Solution

The fourth proportional to 262,905.20, 394,397.40 and 96,680.24 is: 145,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,905.20 : 394,397.40 = 96,680.24 : x
  2. Step 2: Convert to fraction form
    262,905.20/394,397.40 = 96,680.24/x
  3. Step 3: Cross multiply
    262,905.20x = 394,397.40 × 96,680.24
  4. Step 4: Simplify right side
    262,905.20x = 38,130,435,287.38
  5. Step 5: Solve for x
    x = 38,130,435,287.38/262,905.20
  6. Step 6: Final answer
    x = 145,034.92

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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.