Home / 222,180.32-306,607.56-120,205.52

Finding the Fourth Proportional to 222,180.32, 306,607.56 and 120,205.52

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Solution

The fourth proportional to 222,180.32, 306,607.56 and 120,205.52 is: 165,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,180.32 : 306,607.56 = 120,205.52 : x
  2. Step 2: Convert to fraction form
    222,180.32/306,607.56 = 120,205.52/x
  3. Step 3: Cross multiply
    222,180.32x = 306,607.56 × 120,205.52
  4. Step 4: Simplify right side
    222,180.32x = 36,855,921,185.73
  5. Step 5: Solve for x
    x = 36,855,921,185.73/222,180.32
  6. Step 6: Final answer
    x = 165,882.92

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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.