Home / 147,139.80-220,711.73-41,958.75

Finding the Fourth Proportional to 147,139.80, 220,711.73 and 41,958.75

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Solution

The fourth proportional to 147,139.80, 220,711.73 and 41,958.75 is: 62,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,139.80 : 220,711.73 = 41,958.75 : x
  2. Step 2: Convert to fraction form
    147,139.80/220,711.73 = 41,958.75/x
  3. Step 3: Cross multiply
    147,139.80x = 220,711.73 × 41,958.75
  4. Step 4: Simplify right side
    147,139.80x = 9,260,788,301.14
  5. Step 5: Solve for x
    x = 9,260,788,301.14/147,139.80
  6. Step 6: Final answer
    x = 62,938.70

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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.