Home / 230,260.22-345,402.63-72,500.97

Finding the Fourth Proportional to 230,260.22, 345,402.63 and 72,500.97

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Solution

The fourth proportional to 230,260.22, 345,402.63 and 72,500.97 is: 108,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,260.22 : 345,402.63 = 72,500.97 : x
  2. Step 2: Convert to fraction form
    230,260.22/345,402.63 = 72,500.97/x
  3. Step 3: Cross multiply
    230,260.22x = 345,402.63 × 72,500.97
  4. Step 4: Simplify right side
    230,260.22x = 25,042,027,010.81
  5. Step 5: Solve for x
    x = 25,042,027,010.81/230,260.22
  6. Step 6: Final answer
    x = 108,755.33

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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.