Home / 124,151.25-186,225.88-82,218.97

Finding the Fourth Proportional to 124,151.25, 186,225.88 and 82,218.97

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Solution

The fourth proportional to 124,151.25, 186,225.88 and 82,218.97 is: 123,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,151.25 : 186,225.88 = 82,218.97 : x
  2. Step 2: Convert to fraction form
    124,151.25/186,225.88 = 82,218.97/x
  3. Step 3: Cross multiply
    124,151.25x = 186,225.88 × 82,218.97
  4. Step 4: Simplify right side
    124,151.25x = 15,311,300,040.94
  5. Step 5: Solve for x
    x = 15,311,300,040.94/124,151.25
  6. Step 6: Final answer
    x = 123,327.80

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1.5x scale

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.