Home / 240,747.12-361,119.83-72,266.72

Finding the Fourth Proportional to 240,747.12, 361,119.83 and 72,266.72

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Solution

The fourth proportional to 240,747.12, 361,119.83 and 72,266.72 is: 108,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,747.12 : 361,119.83 = 72,266.72 : x
  2. Step 2: Convert to fraction form
    240,747.12/361,119.83 = 72,266.72/x
  3. Step 3: Cross multiply
    240,747.12x = 361,119.83 × 72,266.72
  4. Step 4: Simplify right side
    240,747.12x = 26,096,943,474.12
  5. Step 5: Solve for x
    x = 26,096,943,474.12/240,747.12
  6. Step 6: Final answer
    x = 108,399.82

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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.