Home / 149,597.58-206,419.26-89,167.12

Finding the Fourth Proportional to 149,597.58, 206,419.26 and 89,167.12

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Solution

The fourth proportional to 149,597.58, 206,419.26 and 89,167.12 is: 123,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,597.58 : 206,419.26 = 89,167.12 : x
  2. Step 2: Convert to fraction form
    149,597.58/206,419.26 = 89,167.12/x
  3. Step 3: Cross multiply
    149,597.58x = 206,419.26 × 89,167.12
  4. Step 4: Simplify right side
    149,597.58x = 18,405,810,926.73
  5. Step 5: Solve for x
    x = 18,405,810,926.73/149,597.58
  6. Step 6: Final answer
    x = 123,035.49

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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.