Home / 182,181.60-273,175.20-76,881.60

Finding the Fourth Proportional to 182,181.60, 273,175.20 and 76,881.60

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Solution

The fourth proportional to 182,181.60, 273,175.20 and 76,881.60 is: 115,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,181.60 : 273,175.20 = 76,881.60 : x
  2. Step 2: Convert to fraction form
    182,181.60/273,175.20 = 76,881.60/x
  3. Step 3: Cross multiply
    182,181.60x = 273,175.20 × 76,881.60
  4. Step 4: Simplify right side
    182,181.60x = 21,002,146,456.32
  5. Step 5: Solve for x
    x = 21,002,146,456.32/182,181.60
  6. Step 6: Final answer
    x = 115,281.38

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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.