Home / 149,609.49-206,473.42-85,098.93

Finding the Fourth Proportional to 149,609.49, 206,473.42 and 85,098.93

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Solution

The fourth proportional to 149,609.49, 206,473.42 and 85,098.93 is: 117,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,609.49 : 206,473.42 = 85,098.93 : x
  2. Step 2: Convert to fraction form
    149,609.49/206,473.42 = 85,098.93/x
  3. Step 3: Cross multiply
    149,609.49x = 206,473.42 × 85,098.93
  4. Step 4: Simplify right side
    149,609.49x = 17,570,667,115.44
  5. Step 5: Solve for x
    x = 17,570,667,115.44/149,609.49
  6. Step 6: Final answer
    x = 117,443.53

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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.