Home / 100,320.20-150,506.40-29,241.24

Finding the Fourth Proportional to 100,320.20, 150,506.40 and 29,241.24

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Solution

The fourth proportional to 100,320.20, 150,506.40 and 29,241.24 is: 43,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,320.20 : 150,506.40 = 29,241.24 : x
  2. Step 2: Convert to fraction form
    100,320.20/150,506.40 = 29,241.24/x
  3. Step 3: Cross multiply
    100,320.20x = 150,506.40 × 29,241.24
  4. Step 4: Simplify right side
    100,320.20x = 4,400,993,763.94
  5. Step 5: Solve for x
    x = 4,400,993,763.94/100,320.20
  6. Step 6: Final answer
    x = 43,869.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.