Home / 187,949.81-282,064.86-75,631.02

Finding the Fourth Proportional to 187,949.81, 282,064.86 and 75,631.02

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Solution

The fourth proportional to 187,949.81, 282,064.86 and 75,631.02 is: 113,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,949.81 : 282,064.86 = 75,631.02 : x
  2. Step 2: Convert to fraction form
    187,949.81/282,064.86 = 75,631.02/x
  3. Step 3: Cross multiply
    187,949.81x = 282,064.86 × 75,631.02
  4. Step 4: Simplify right side
    187,949.81x = 21,332,853,067.96
  5. Step 5: Solve for x
    x = 21,332,853,067.96/187,949.81
  6. Step 6: Final answer
    x = 113,502.93

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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.