Home / 222,171.60-306,595.52-120,196.76

Finding the Fourth Proportional to 222,171.60, 306,595.52 and 120,196.76

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Solution

The fourth proportional to 222,171.60, 306,595.52 and 120,196.76 is: 165,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,171.60 : 306,595.52 = 120,196.76 : x
  2. Step 2: Convert to fraction form
    222,171.60/306,595.52 = 120,196.76/x
  3. Step 3: Cross multiply
    222,171.60x = 306,595.52 × 120,196.76
  4. Step 4: Simplify right side
    222,171.60x = 36,851,788,134.52
  5. Step 5: Solve for x
    x = 36,851,788,134.52/222,171.60
  6. Step 6: Final answer
    x = 165,870.83

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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.