Home / 193,509.10-267,013.52-108,609.76

Finding the Fourth Proportional to 193,509.10, 267,013.52 and 108,609.76

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Solution

The fourth proportional to 193,509.10, 267,013.52 and 108,609.76 is: 149,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,509.10 : 267,013.52 = 108,609.76 : x
  2. Step 2: Convert to fraction form
    193,509.10/267,013.52 = 108,609.76/x
  3. Step 3: Cross multiply
    193,509.10x = 267,013.52 × 108,609.76
  4. Step 4: Simplify right side
    193,509.10x = 29,000,274,323.96
  5. Step 5: Solve for x
    x = 29,000,274,323.96/193,509.10
  6. Step 6: Final answer
    x = 149,865.17

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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.