Home / 187,617.79-258,951.66-172,486.49

Finding the Fourth Proportional to 187,617.79, 258,951.66 and 172,486.49

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Solution

The fourth proportional to 187,617.79, 258,951.66 and 172,486.49 is: 238,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,617.79 : 258,951.66 = 172,486.49 : x
  2. Step 2: Convert to fraction form
    187,617.79/258,951.66 = 172,486.49/x
  3. Step 3: Cross multiply
    187,617.79x = 258,951.66 × 172,486.49
  4. Step 4: Simplify right side
    187,617.79x = 44,665,662,184.91
  5. Step 5: Solve for x
    x = 44,665,662,184.91/187,617.79
  6. Step 6: Final answer
    x = 238,067.30

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1.5x scale

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.