Home / 187,631.13-281,462.19-61,268.57

Finding the Fourth Proportional to 187,631.13, 281,462.19 and 61,268.57

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Solution

The fourth proportional to 187,631.13, 281,462.19 and 61,268.57 is: 91,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,631.13 : 281,462.19 = 61,268.57 : x
  2. Step 2: Convert to fraction form
    187,631.13/281,462.19 = 61,268.57/x
  3. Step 3: Cross multiply
    187,631.13x = 281,462.19 × 61,268.57
  4. Step 4: Simplify right side
    187,631.13x = 17,244,785,653.42
  5. Step 5: Solve for x
    x = 17,244,785,653.42/187,631.13
  6. Step 6: Final answer
    x = 91,907.91

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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.