Home / 187,665.23-281,506.28-61,313.20

Finding the Fourth Proportional to 187,665.23, 281,506.28 and 61,313.20

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Solution

The fourth proportional to 187,665.23, 281,506.28 and 61,313.20 is: 91,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,665.23 : 281,506.28 = 61,313.20 : x
  2. Step 2: Convert to fraction form
    187,665.23/281,506.28 = 61,313.20/x
  3. Step 3: Cross multiply
    187,665.23x = 281,506.28 × 61,313.20
  4. Step 4: Simplify right side
    187,665.23x = 17,260,049,836.56
  5. Step 5: Solve for x
    x = 17,260,049,836.56/187,665.23
  6. Step 6: Final answer
    x = 91,972.55

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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.