Home / 109,273.20-163,909.80-96,442.80

Finding the Fourth Proportional to 109,273.20, 163,909.80 and 96,442.80

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Solution

The fourth proportional to 109,273.20, 163,909.80 and 96,442.80 is: 144,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,273.20 : 163,909.80 = 96,442.80 : x
  2. Step 2: Convert to fraction form
    109,273.20/163,909.80 = 96,442.80/x
  3. Step 3: Cross multiply
    109,273.20x = 163,909.80 × 96,442.80
  4. Step 4: Simplify right side
    109,273.20x = 15,807,920,059.44
  5. Step 5: Solve for x
    x = 15,807,920,059.44/109,273.20
  6. Step 6: Final answer
    x = 144,664.20

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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.