Home / 147,016.59-220,353.99-66,934.11

Finding the Fourth Proportional to 147,016.59, 220,353.99 and 66,934.11

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Solution

The fourth proportional to 147,016.59, 220,353.99 and 66,934.11 is: 100,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,016.59 : 220,353.99 = 66,934.11 : x
  2. Step 2: Convert to fraction form
    147,016.59/220,353.99 = 66,934.11/x
  3. Step 3: Cross multiply
    147,016.59x = 220,353.99 × 66,934.11
  4. Step 4: Simplify right side
    147,016.59x = 14,749,198,205.60
  5. Step 5: Solve for x
    x = 14,749,198,205.60/147,016.59
  6. Step 6: Final answer
    x = 100,323.36

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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.