Home / 232,970.20-320,705.46-172,426.72

Finding the Fourth Proportional to 232,970.20, 320,705.46 and 172,426.72

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Solution

The fourth proportional to 232,970.20, 320,705.46 and 172,426.72 is: 237,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,970.20 : 320,705.46 = 172,426.72 : x
  2. Step 2: Convert to fraction form
    232,970.20/320,705.46 = 172,426.72/x
  3. Step 3: Cross multiply
    232,970.20x = 320,705.46 × 172,426.72
  4. Step 4: Simplify right side
    232,970.20x = 55,298,190,553.89
  5. Step 5: Solve for x
    x = 55,298,190,553.89/232,970.20
  6. Step 6: Final answer
    x = 237,361.65

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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.