Home / 186,760.68-258,010.79-122,382.90

Finding the Fourth Proportional to 186,760.68, 258,010.79 and 122,382.90

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Solution

The fourth proportional to 186,760.68, 258,010.79 and 122,382.90 is: 169,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,760.68 : 258,010.79 = 122,382.90 : x
  2. Step 2: Convert to fraction form
    186,760.68/258,010.79 = 122,382.90/x
  3. Step 3: Cross multiply
    186,760.68x = 258,010.79 × 122,382.90
  4. Step 4: Simplify right side
    186,760.68x = 31,576,108,099.58
  5. Step 5: Solve for x
    x = 31,576,108,099.58/186,760.68
  6. Step 6: Final answer
    x = 169,072.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.