Home / 151,818.08-209,553.44-88,184.48

Finding the Fourth Proportional to 151,818.08, 209,553.44 and 88,184.48

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Solution

The fourth proportional to 151,818.08, 209,553.44 and 88,184.48 is: 121,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,818.08 : 209,553.44 = 88,184.48 : x
  2. Step 2: Convert to fraction form
    151,818.08/209,553.44 = 88,184.48/x
  3. Step 3: Cross multiply
    151,818.08x = 209,553.44 × 88,184.48
  4. Step 4: Simplify right side
    151,818.08x = 18,479,361,138.61
  5. Step 5: Solve for x
    x = 18,479,361,138.61/151,818.08
  6. Step 6: Final answer
    x = 121,720.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.