Home / 149,611.93-206,436.22-89,188.20

Finding the Fourth Proportional to 149,611.93, 206,436.22 and 89,188.20

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Solution

The fourth proportional to 149,611.93, 206,436.22 and 89,188.20 is: 123,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,611.93 : 206,436.22 = 89,188.20 : x
  2. Step 2: Convert to fraction form
    149,611.93/206,436.22 = 89,188.20/x
  3. Step 3: Cross multiply
    149,611.93x = 206,436.22 × 89,188.20
  4. Step 4: Simplify right side
    149,611.93x = 18,411,673,398.48
  5. Step 5: Solve for x
    x = 18,411,673,398.48/149,611.93
  6. Step 6: Final answer
    x = 123,062.87

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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.