Home / 187,867.26-259,273.17-103,000.50

Finding the Fourth Proportional to 187,867.26, 259,273.17 and 103,000.50

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Solution

The fourth proportional to 187,867.26, 259,273.17 and 103,000.50 is: 142,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,867.26 : 259,273.17 = 103,000.50 : x
  2. Step 2: Convert to fraction form
    187,867.26/259,273.17 = 103,000.50/x
  3. Step 3: Cross multiply
    187,867.26x = 259,273.17 × 103,000.50
  4. Step 4: Simplify right side
    187,867.26x = 26,705,266,146.59
  5. Step 5: Solve for x
    x = 26,705,266,146.59/187,867.26
  6. Step 6: Final answer
    x = 142,149.65

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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.