Home / 222,251.83-306,705.14-120,275.04

Finding the Fourth Proportional to 222,251.83, 306,705.14 and 120,275.04

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Solution

The fourth proportional to 222,251.83, 306,705.14 and 120,275.04 is: 165,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,251.83 : 306,705.14 = 120,275.04 : x
  2. Step 2: Convert to fraction form
    222,251.83/306,705.14 = 120,275.04/x
  3. Step 3: Cross multiply
    222,251.83x = 306,705.14 × 120,275.04
  4. Step 4: Simplify right side
    222,251.83x = 36,888,970,846.80
  5. Step 5: Solve for x
    x = 36,888,970,846.80/222,251.83
  6. Step 6: Final answer
    x = 165,978.25

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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.