Home / 232,910.86-349,366.37-72,999.20

Finding the Fourth Proportional to 232,910.86, 349,366.37 and 72,999.20

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Solution

The fourth proportional to 232,910.86, 349,366.37 and 72,999.20 is: 109,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,910.86 : 349,366.37 = 72,999.20 : x
  2. Step 2: Convert to fraction form
    232,910.86/349,366.37 = 72,999.20/x
  3. Step 3: Cross multiply
    232,910.86x = 349,366.37 × 72,999.20
  4. Step 4: Simplify right side
    232,910.86x = 25,503,466,025.32
  5. Step 5: Solve for x
    x = 25,503,466,025.32/232,910.86
  6. Step 6: Final answer
    x = 109,498.83

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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.