Home / 187,417.76-281,126.40-61,057.80

Finding the Fourth Proportional to 187,417.76, 281,126.40 and 61,057.80

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Solution

The fourth proportional to 187,417.76, 281,126.40 and 61,057.80 is: 91,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,417.76 : 281,126.40 = 61,057.80 : x
  2. Step 2: Convert to fraction form
    187,417.76/281,126.40 = 61,057.80/x
  3. Step 3: Cross multiply
    187,417.76x = 281,126.40 × 61,057.80
  4. Step 4: Simplify right side
    187,417.76x = 17,164,959,505.92
  5. Step 5: Solve for x
    x = 17,164,959,505.92/187,417.76
  6. Step 6: Final answer
    x = 91,586.62

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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.