Home / 178,731.31-268,135.54-60,400.03

Finding the Fourth Proportional to 178,731.31, 268,135.54 and 60,400.03

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Solution

The fourth proportional to 178,731.31, 268,135.54 and 60,400.03 is: 90,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,731.31 : 268,135.54 = 60,400.03 : x
  2. Step 2: Convert to fraction form
    178,731.31/268,135.54 = 60,400.03/x
  3. Step 3: Cross multiply
    178,731.31x = 268,135.54 × 60,400.03
  4. Step 4: Simplify right side
    178,731.31x = 16,195,394,660.07
  5. Step 5: Solve for x
    x = 16,195,394,660.07/178,731.31
  6. Step 6: Final answer
    x = 90,613.08

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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.