Home / 187,948.31-282,062.61-75,629.52

Finding the Fourth Proportional to 187,948.31, 282,062.61 and 75,629.52

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Solution

The fourth proportional to 187,948.31, 282,062.61 and 75,629.52 is: 113,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,948.31 : 282,062.61 = 75,629.52 : x
  2. Step 2: Convert to fraction form
    187,948.31/282,062.61 = 75,629.52/x
  3. Step 3: Cross multiply
    187,948.31x = 282,062.61 × 75,629.52
  4. Step 4: Simplify right side
    187,948.31x = 21,332,259,804.25
  5. Step 5: Solve for x
    x = 21,332,259,804.25/187,948.31
  6. Step 6: Final answer
    x = 113,500.68

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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.