Home / 187,416.36-281,153.82-61,026.78

Finding the Fourth Proportional to 187,416.36, 281,153.82 and 61,026.78

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Solution

The fourth proportional to 187,416.36, 281,153.82 and 61,026.78 is: 91,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,416.36 : 281,153.82 = 61,026.78 : x
  2. Step 2: Convert to fraction form
    187,416.36/281,153.82 = 61,026.78/x
  3. Step 3: Cross multiply
    187,416.36x = 281,153.82 × 61,026.78
  4. Step 4: Simplify right side
    187,416.36x = 17,157,912,319.30
  5. Step 5: Solve for x
    x = 17,157,912,319.30/187,416.36
  6. Step 6: Final answer
    x = 91,549.70

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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.