Home / 193,520.76-267,043.91-108,621.42

Finding the Fourth Proportional to 193,520.76, 267,043.91 and 108,621.42

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Solution

The fourth proportional to 193,520.76, 267,043.91 and 108,621.42 is: 149,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,520.76 : 267,043.91 = 108,621.42 : x
  2. Step 2: Convert to fraction form
    193,520.76/267,043.91 = 108,621.42/x
  3. Step 3: Cross multiply
    193,520.76x = 267,043.91 × 108,621.42
  4. Step 4: Simplify right side
    193,520.76x = 29,006,688,163.45
  5. Step 5: Solve for x
    x = 29,006,688,163.45/193,520.76
  6. Step 6: Final answer
    x = 149,889.28

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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.