Home / 240,947.12-361,438.61-72,453.96

Finding the Fourth Proportional to 240,947.12, 361,438.61 and 72,453.96

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Solution

The fourth proportional to 240,947.12, 361,438.61 and 72,453.96 is: 108,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,947.12 : 361,438.61 = 72,453.96 : x
  2. Step 2: Convert to fraction form
    240,947.12/361,438.61 = 72,453.96/x
  3. Step 3: Cross multiply
    240,947.12x = 361,438.61 × 72,453.96
  4. Step 4: Simplify right side
    240,947.12x = 26,187,658,229.13
  5. Step 5: Solve for x
    x = 26,187,658,229.13/240,947.12
  6. Step 6: Final answer
    x = 108,686.33

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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.