Home / 222,254.60-306,712.33-120,280.08

Finding the Fourth Proportional to 222,254.60, 306,712.33 and 120,280.08

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Solution

The fourth proportional to 222,254.60, 306,712.33 and 120,280.08 is: 165,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,254.60 : 306,712.33 = 120,280.08 : x
  2. Step 2: Convert to fraction form
    222,254.60/306,712.33 = 120,280.08/x
  3. Step 3: Cross multiply
    222,254.60x = 306,712.33 × 120,280.08
  4. Step 4: Simplify right side
    222,254.60x = 36,891,383,589.39
  5. Step 5: Solve for x
    x = 36,891,383,589.39/222,254.60
  6. Step 6: Final answer
    x = 165,987.04

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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.