Home / 192,385.83-288,578.75-52,144.46

Finding the Fourth Proportional to 192,385.83, 288,578.75 and 52,144.46

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Solution

The fourth proportional to 192,385.83, 288,578.75 and 52,144.46 is: 78,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,385.83 : 288,578.75 = 52,144.46 : x
  2. Step 2: Convert to fraction form
    192,385.83/288,578.75 = 52,144.46/x
  3. Step 3: Cross multiply
    192,385.83x = 288,578.75 × 52,144.46
  4. Step 4: Simplify right side
    192,385.83x = 15,047,781,382.61
  5. Step 5: Solve for x
    x = 15,047,781,382.61/192,385.83
  6. Step 6: Final answer
    x = 78,216.68

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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.