Home / 146,910.11-220,419.83-83,691.23

Finding the Fourth Proportional to 146,910.11, 220,419.83 and 83,691.23

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Solution

The fourth proportional to 146,910.11, 220,419.83 and 83,691.23 is: 125,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,910.11 : 220,419.83 = 83,691.23 : x
  2. Step 2: Convert to fraction form
    146,910.11/220,419.83 = 83,691.23/x
  3. Step 3: Cross multiply
    146,910.11x = 220,419.83 × 83,691.23
  4. Step 4: Simplify right side
    146,910.11x = 18,447,205,796.22
  5. Step 5: Solve for x
    x = 18,447,205,796.22/146,910.11
  6. Step 6: Final answer
    x = 125,567.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.