Home / 183,839.82-253,689.21-103,270.74

Finding the Fourth Proportional to 183,839.82, 253,689.21 and 103,270.74

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Solution

The fourth proportional to 183,839.82, 253,689.21 and 103,270.74 is: 142,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,839.82 : 253,689.21 = 103,270.74 : x
  2. Step 2: Convert to fraction form
    183,839.82/253,689.21 = 103,270.74/x
  3. Step 3: Cross multiply
    183,839.82x = 253,689.21 × 103,270.74
  4. Step 4: Simplify right side
    183,839.82x = 26,198,672,446.72
  5. Step 5: Solve for x
    x = 26,198,672,446.72/183,839.82
  6. Step 6: Final answer
    x = 142,508.15

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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.