Home / 222,451.20-306,981.14-120,474.32

Finding the Fourth Proportional to 222,451.20, 306,981.14 and 120,474.32

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Solution

The fourth proportional to 222,451.20, 306,981.14 and 120,474.32 is: 166,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,451.20 : 306,981.14 = 120,474.32 : x
  2. Step 2: Convert to fraction form
    222,451.20/306,981.14 = 120,474.32/x
  3. Step 3: Cross multiply
    222,451.20x = 306,981.14 × 120,474.32
  4. Step 4: Simplify right side
    222,451.20x = 36,983,344,094.32
  5. Step 5: Solve for x
    x = 36,983,344,094.32/222,451.20
  6. Step 6: Final answer
    x = 166,253.74

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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.