Home / 109,901.40-165,216.60-95,467.20

Finding the Fourth Proportional to 109,901.40, 165,216.60 and 95,467.20

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Solution

The fourth proportional to 109,901.40, 165,216.60 and 95,467.20 is: 143,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,901.40 : 165,216.60 = 95,467.20 : x
  2. Step 2: Convert to fraction form
    109,901.40/165,216.60 = 95,467.20/x
  3. Step 3: Cross multiply
    109,901.40x = 165,216.60 × 95,467.20
  4. Step 4: Simplify right side
    109,901.40x = 15,772,766,195.52
  5. Step 5: Solve for x
    x = 15,772,766,195.52/109,901.40
  6. Step 6: Final answer
    x = 143,517.43

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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.