Home / 178,218.40-267,003.60-141,023.20

Finding the Fourth Proportional to 178,218.40, 267,003.60 and 141,023.20

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Solution

The fourth proportional to 178,218.40, 267,003.60 and 141,023.20 is: 211,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,218.40 : 267,003.60 = 141,023.20 : x
  2. Step 2: Convert to fraction form
    178,218.40/267,003.60 = 141,023.20/x
  3. Step 3: Cross multiply
    178,218.40x = 267,003.60 × 141,023.20
  4. Step 4: Simplify right side
    178,218.40x = 37,653,702,083.52
  5. Step 5: Solve for x
    x = 37,653,702,083.52/178,218.40
  6. Step 6: Final answer
    x = 211,278.42

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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.