Home / 165,591.20-248,192.40-76,656.85

Finding the Fourth Proportional to 165,591.20, 248,192.40 and 76,656.85

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Solution

The fourth proportional to 165,591.20, 248,192.40 and 76,656.85 is: 114,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,591.20 : 248,192.40 = 76,656.85 : x
  2. Step 2: Convert to fraction form
    165,591.20/248,192.40 = 76,656.85/x
  3. Step 3: Cross multiply
    165,591.20x = 248,192.40 × 76,656.85
  4. Step 4: Simplify right side
    165,591.20x = 19,025,646,336.98
  5. Step 5: Solve for x
    x = 19,025,646,336.98/165,591.20
  6. Step 6: Final answer
    x = 114,895.27

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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.