Home / 165,070.47-247,572.90-80,794.44

Finding the Fourth Proportional to 165,070.47, 247,572.90 and 80,794.44

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Solution

The fourth proportional to 165,070.47, 247,572.90 and 80,794.44 is: 121,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,070.47 : 247,572.90 = 80,794.44 : x
  2. Step 2: Convert to fraction form
    165,070.47/247,572.90 = 80,794.44/x
  3. Step 3: Cross multiply
    165,070.47x = 247,572.90 × 80,794.44
  4. Step 4: Simplify right side
    165,070.47x = 20,002,513,814.68
  5. Step 5: Solve for x
    x = 20,002,513,814.68/165,070.47
  6. Step 6: Final answer
    x = 121,175.60

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1.5x scale

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.