Home / 280,169.22-386,625.87-152,844.78

Finding the Fourth Proportional to 280,169.22, 386,625.87 and 152,844.78

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Solution

The fourth proportional to 280,169.22, 386,625.87 and 152,844.78 is: 210,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,169.22 : 386,625.87 = 152,844.78 : x
  2. Step 2: Convert to fraction form
    280,169.22/386,625.87 = 152,844.78/x
  3. Step 3: Cross multiply
    280,169.22x = 386,625.87 × 152,844.78
  4. Step 4: Simplify right side
    280,169.22x = 59,093,746,042.46
  5. Step 5: Solve for x
    x = 59,093,746,042.46/280,169.22
  6. Step 6: Final answer
    x = 210,921.62

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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.