Home / 187,766.88-259,142.43-107,175.96

Finding the Fourth Proportional to 187,766.88, 259,142.43 and 107,175.96

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Solution

The fourth proportional to 187,766.88, 259,142.43 and 107,175.96 is: 147,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,766.88 : 259,142.43 = 107,175.96 : x
  2. Step 2: Convert to fraction form
    187,766.88/259,142.43 = 107,175.96/x
  3. Step 3: Cross multiply
    187,766.88x = 259,142.43 × 107,175.96
  4. Step 4: Simplify right side
    187,766.88x = 27,773,838,711.98
  5. Step 5: Solve for x
    x = 27,773,838,711.98/187,766.88
  6. Step 6: Final answer
    x = 147,916.60

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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.