Home / 142,394.92-213,605.14-41,191.38

Finding the Fourth Proportional to 142,394.92, 213,605.14 and 41,191.38

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Solution

The fourth proportional to 142,394.92, 213,605.14 and 41,191.38 is: 61,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,394.92 : 213,605.14 = 41,191.38 : x
  2. Step 2: Convert to fraction form
    142,394.92/213,605.14 = 41,191.38/x
  3. Step 3: Cross multiply
    142,394.92x = 213,605.14 × 41,191.38
  4. Step 4: Simplify right side
    142,394.92x = 8,798,690,922.73
  5. Step 5: Solve for x
    x = 8,798,690,922.73/142,394.92
  6. Step 6: Final answer
    x = 61,790.76

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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.