Home / 267,144.12-368,636.94-153,974.52

Finding the Fourth Proportional to 267,144.12, 368,636.94 and 153,974.52

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Solution

The fourth proportional to 267,144.12, 368,636.94 and 153,974.52 is: 212,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,144.12 : 368,636.94 = 153,974.52 : x
  2. Step 2: Convert to fraction form
    267,144.12/368,636.94 = 153,974.52/x
  3. Step 3: Cross multiply
    267,144.12x = 368,636.94 × 153,974.52
  4. Step 4: Simplify right side
    267,144.12x = 56,760,695,890.77
  5. Step 5: Solve for x
    x = 56,760,695,890.77/267,144.12
  6. Step 6: Final answer
    x = 212,472.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.