Home / 227,189.60-313,508.85-125,214.76

Finding the Fourth Proportional to 227,189.60, 313,508.85 and 125,214.76

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Solution

The fourth proportional to 227,189.60, 313,508.85 and 125,214.76 is: 172,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,189.60 : 313,508.85 = 125,214.76 : x
  2. Step 2: Convert to fraction form
    227,189.60/313,508.85 = 125,214.76/x
  3. Step 3: Cross multiply
    227,189.60x = 313,508.85 × 125,214.76
  4. Step 4: Simplify right side
    227,189.60x = 39,255,935,410.63
  5. Step 5: Solve for x
    x = 39,255,935,410.63/227,189.60
  6. Step 6: Final answer
    x = 172,789.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.