Home / 222,240.36-306,691.69-120,265.82

Finding the Fourth Proportional to 222,240.36, 306,691.69 and 120,265.82

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Solution

The fourth proportional to 222,240.36, 306,691.69 and 120,265.82 is: 165,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,240.36 : 306,691.69 = 120,265.82 : x
  2. Step 2: Convert to fraction form
    222,240.36/306,691.69 = 120,265.82/x
  3. Step 3: Cross multiply
    222,240.36x = 306,691.69 × 120,265.82
  4. Step 4: Simplify right side
    222,240.36x = 36,884,528,327.32
  5. Step 5: Solve for x
    x = 36,884,528,327.32/222,240.36
  6. Step 6: Final answer
    x = 165,966.83

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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.