Home / 165,070.76-247,573.32-80,794.71

Finding the Fourth Proportional to 165,070.76, 247,573.32 and 80,794.71

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Solution

The fourth proportional to 165,070.76, 247,573.32 and 80,794.71 is: 121,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,070.76 : 247,573.32 = 80,794.71 : x
  2. Step 2: Convert to fraction form
    165,070.76/247,573.32 = 80,794.71/x
  3. Step 3: Cross multiply
    165,070.76x = 247,573.32 × 80,794.71
  4. Step 4: Simplify right side
    165,070.76x = 20,002,614,593.14
  5. Step 5: Solve for x
    x = 20,002,614,593.14/165,070.76
  6. Step 6: Final answer
    x = 121,176.00

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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.