Home / 149,441.08-206,241.03-85,791.16

Finding the Fourth Proportional to 149,441.08, 206,241.03 and 85,791.16

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Solution

The fourth proportional to 149,441.08, 206,241.03 and 85,791.16 is: 118,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,441.08 : 206,241.03 = 85,791.16 : x
  2. Step 2: Convert to fraction form
    149,441.08/206,241.03 = 85,791.16/x
  3. Step 3: Cross multiply
    149,441.08x = 206,241.03 × 85,791.16
  4. Step 4: Simplify right side
    149,441.08x = 17,693,657,203.29
  5. Step 5: Solve for x
    x = 17,693,657,203.29/149,441.08
  6. Step 6: Final answer
    x = 118,398.88

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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.