Home / 126,023.08-173,997.30-88,231.72

Finding the Fourth Proportional to 126,023.08, 173,997.30 and 88,231.72

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Solution

The fourth proportional to 126,023.08, 173,997.30 and 88,231.72 is: 121,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023.08 : 173,997.30 = 88,231.72 : x
  2. Step 2: Convert to fraction form
    126,023.08/173,997.30 = 88,231.72/x
  3. Step 3: Cross multiply
    126,023.08x = 173,997.30 × 88,231.72
  4. Step 4: Simplify right side
    126,023.08x = 15,352,081,054.36
  5. Step 5: Solve for x
    x = 15,352,081,054.36/126,023.08
  6. Step 6: Final answer
    x = 121,819.60

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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.