Home / 100,230.12-150,368.40-29,154.44

Finding the Fourth Proportional to 100,230.12, 150,368.40 and 29,154.44

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Solution

The fourth proportional to 100,230.12, 150,368.40 and 29,154.44 is: 43,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,230.12 : 150,368.40 = 29,154.44 : x
  2. Step 2: Convert to fraction form
    100,230.12/150,368.40 = 29,154.44/x
  3. Step 3: Cross multiply
    100,230.12x = 150,368.40 × 29,154.44
  4. Step 4: Simplify right side
    100,230.12x = 4,383,906,495.70
  5. Step 5: Solve for x
    x = 4,383,906,495.70/100,230.12
  6. Step 6: Final answer
    x = 43,738.41

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1.5x scale

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.