Home / 187,761.88-259,135.50-107,170.93

Finding the Fourth Proportional to 187,761.88, 259,135.50 and 107,170.93

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Solution

The fourth proportional to 187,761.88, 259,135.50 and 107,170.93 is: 147,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,761.88 : 259,135.50 = 107,170.93 : x
  2. Step 2: Convert to fraction form
    187,761.88/259,135.50 = 107,170.93/x
  3. Step 3: Cross multiply
    187,761.88x = 259,135.50 × 107,170.93
  4. Step 4: Simplify right side
    187,761.88x = 27,771,792,531.02
  5. Step 5: Solve for x
    x = 27,771,792,531.02/187,761.88
  6. Step 6: Final answer
    x = 147,909.64

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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.