Home / 175,081.96-262,620.66-80,285.20

Finding the Fourth Proportional to 175,081.96, 262,620.66 and 80,285.20

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Solution

The fourth proportional to 175,081.96, 262,620.66 and 80,285.20 is: 120,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,081.96 : 262,620.66 = 80,285.20 : x
  2. Step 2: Convert to fraction form
    175,081.96/262,620.66 = 80,285.20/x
  3. Step 3: Cross multiply
    175,081.96x = 262,620.66 × 80,285.20
  4. Step 4: Simplify right side
    175,081.96x = 21,084,552,212.23
  5. Step 5: Solve for x
    x = 21,084,552,212.23/175,081.96
  6. Step 6: Final answer
    x = 120,426.75

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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.