Home / 182,023.60-272,938.20-76,723.60

Finding the Fourth Proportional to 182,023.60, 272,938.20 and 76,723.60

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Solution

The fourth proportional to 182,023.60, 272,938.20 and 76,723.60 is: 115,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,023.60 : 272,938.20 = 76,723.60 : x
  2. Step 2: Convert to fraction form
    182,023.60/272,938.20 = 76,723.60/x
  3. Step 3: Cross multiply
    182,023.60x = 272,938.20 × 76,723.60
  4. Step 4: Simplify right side
    182,023.60x = 20,940,801,281.52
  5. Step 5: Solve for x
    x = 20,940,801,281.52/182,023.60
  6. Step 6: Final answer
    x = 115,044.43

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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.