Home / 187,418.36-281,156.82-61,028.78

Finding the Fourth Proportional to 187,418.36, 281,156.82 and 61,028.78

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Solution

The fourth proportional to 187,418.36, 281,156.82 and 61,028.78 is: 91,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,418.36 : 281,156.82 = 61,028.78 : x
  2. Step 2: Convert to fraction form
    187,418.36/281,156.82 = 61,028.78/x
  3. Step 3: Cross multiply
    187,418.36x = 281,156.82 × 61,028.78
  4. Step 4: Simplify right side
    187,418.36x = 17,158,657,713.28
  5. Step 5: Solve for x
    x = 17,158,657,713.28/187,418.36
  6. Step 6: Final answer
    x = 91,552.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.