Home / 193,661.54-267,253.08-108,778.67

Finding the Fourth Proportional to 193,661.54, 267,253.08 and 108,778.67

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Solution

The fourth proportional to 193,661.54, 267,253.08 and 108,778.67 is: 150,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,661.54 : 267,253.08 = 108,778.67 : x
  2. Step 2: Convert to fraction form
    193,661.54/267,253.08 = 108,778.67/x
  3. Step 3: Cross multiply
    193,661.54x = 267,253.08 × 108,778.67
  4. Step 4: Simplify right side
    193,661.54x = 29,071,434,595.80
  5. Step 5: Solve for x
    x = 29,071,434,595.80/193,661.54
  6. Step 6: Final answer
    x = 150,114.65

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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.