Home / 149,593.53-206,458.27-85,943.63

Finding the Fourth Proportional to 149,593.53, 206,458.27 and 85,943.63

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Solution

The fourth proportional to 149,593.53, 206,458.27 and 85,943.63 is: 118,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,593.53 : 206,458.27 = 85,943.63 : x
  2. Step 2: Convert to fraction form
    149,593.53/206,458.27 = 85,943.63/x
  3. Step 3: Cross multiply
    149,593.53x = 206,458.27 × 85,943.63
  4. Step 4: Simplify right side
    149,593.53x = 17,743,773,468.61
  5. Step 5: Solve for x
    x = 17,743,773,468.61/149,593.53
  6. Step 6: Final answer
    x = 118,613.24

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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.