Home / 279,094.38-385,182.75-156,620.52

Finding the Fourth Proportional to 279,094.38, 385,182.75 and 156,620.52

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Solution

The fourth proportional to 279,094.38, 385,182.75 and 156,620.52 is: 216,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,094.38 : 385,182.75 = 156,620.52 : x
  2. Step 2: Convert to fraction form
    279,094.38/385,182.75 = 156,620.52/x
  3. Step 3: Cross multiply
    279,094.38x = 385,182.75 × 156,620.52
  4. Step 4: Simplify right side
    279,094.38x = 60,327,522,600.03
  5. Step 5: Solve for x
    x = 60,327,522,600.03/279,094.38
  6. Step 6: Final answer
    x = 216,154.56

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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.