Home / 269,612.61-372,064.35-148,761.42

Finding the Fourth Proportional to 269,612.61, 372,064.35 and 148,761.42

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Solution

The fourth proportional to 269,612.61, 372,064.35 and 148,761.42 is: 205,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,612.61 : 372,064.35 = 148,761.42 : x
  2. Step 2: Convert to fraction form
    269,612.61/372,064.35 = 148,761.42/x
  3. Step 3: Cross multiply
    269,612.61x = 372,064.35 × 148,761.42
  4. Step 4: Simplify right side
    269,612.61x = 55,348,821,037.38
  5. Step 5: Solve for x
    x = 55,348,821,037.38/269,612.61
  6. Step 6: Final answer
    x = 205,290.18

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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.