Home / 222,157.68-306,576.33-120,182.85

Finding the Fourth Proportional to 222,157.68, 306,576.33 and 120,182.85

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Solution

The fourth proportional to 222,157.68, 306,576.33 and 120,182.85 is: 165,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,157.68 : 306,576.33 = 120,182.85 : x
  2. Step 2: Convert to fraction form
    222,157.68/306,576.33 = 120,182.85/x
  3. Step 3: Cross multiply
    222,157.68x = 306,576.33 × 120,182.85
  4. Step 4: Simplify right side
    222,157.68x = 36,845,217,081.94
  5. Step 5: Solve for x
    x = 36,845,217,081.94/222,157.68
  6. Step 6: Final answer
    x = 165,851.65

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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.