Home / 187,693.26-259,019.55-102,818.22

Finding the Fourth Proportional to 187,693.26, 259,019.55 and 102,818.22

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Solution

The fourth proportional to 187,693.26, 259,019.55 and 102,818.22 is: 141,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,693.26 : 259,019.55 = 102,818.22 : x
  2. Step 2: Convert to fraction form
    187,693.26/259,019.55 = 102,818.22/x
  3. Step 3: Cross multiply
    187,693.26x = 259,019.55 × 102,818.22
  4. Step 4: Simplify right side
    187,693.26x = 26,631,929,076.20
  5. Step 5: Solve for x
    x = 26,631,929,076.20/187,693.26
  6. Step 6: Final answer
    x = 141,890.71

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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.