Home / 141,723.54-195,578.47-78,061.33

Finding the Fourth Proportional to 141,723.54, 195,578.47 and 78,061.33

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Solution

The fourth proportional to 141,723.54, 195,578.47 and 78,061.33 is: 107,724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,723.54 : 195,578.47 = 78,061.33 : x
  2. Step 2: Convert to fraction form
    141,723.54/195,578.47 = 78,061.33/x
  3. Step 3: Cross multiply
    141,723.54x = 195,578.47 × 78,061.33
  4. Step 4: Simplify right side
    141,723.54x = 15,267,115,487.57
  5. Step 5: Solve for x
    x = 15,267,115,487.57/141,723.54
  6. Step 6: Final answer
    x = 107,724.63

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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.