Home / 123,350.67-170,227.04-75,630.33

Finding the Fourth Proportional to 123,350.67, 170,227.04 and 75,630.33

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Solution

The fourth proportional to 123,350.67, 170,227.04 and 75,630.33 is: 104,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,350.67 : 170,227.04 = 75,630.33 : x
  2. Step 2: Convert to fraction form
    123,350.67/170,227.04 = 75,630.33/x
  3. Step 3: Cross multiply
    123,350.67x = 170,227.04 × 75,630.33
  4. Step 4: Simplify right side
    123,350.67x = 12,874,326,831.97
  5. Step 5: Solve for x
    x = 12,874,326,831.97/123,350.67
  6. Step 6: Final answer
    x = 104,371.76

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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.