Home / 149,539.71-206,383.38-85,876.14

Finding the Fourth Proportional to 149,539.71, 206,383.38 and 85,876.14

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Solution

The fourth proportional to 149,539.71, 206,383.38 and 85,876.14 is: 118,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,539.71 : 206,383.38 = 85,876.14 : x
  2. Step 2: Convert to fraction form
    149,539.71/206,383.38 = 85,876.14/x
  3. Step 3: Cross multiply
    149,539.71x = 206,383.38 × 85,876.14
  4. Step 4: Simplify right side
    149,539.71x = 17,723,408,034.55
  5. Step 5: Solve for x
    x = 17,723,408,034.55/149,539.71
  6. Step 6: Final answer
    x = 118,519.74

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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.