Home / 168,216.78-252,348.38-61,586.76

Finding the Fourth Proportional to 168,216.78, 252,348.38 and 61,586.76

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Solution

The fourth proportional to 168,216.78, 252,348.38 and 61,586.76 is: 92,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,216.78 : 252,348.38 = 61,586.76 : x
  2. Step 2: Convert to fraction form
    168,216.78/252,348.38 = 61,586.76/x
  3. Step 3: Cross multiply
    168,216.78x = 252,348.38 × 61,586.76
  4. Step 4: Simplify right side
    168,216.78x = 15,541,319,115.45
  5. Step 5: Solve for x
    x = 15,541,319,115.45/168,216.78
  6. Step 6: Final answer
    x = 92,388.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.