Home / 232,360.31-320,401.10-160,615.78

Finding the Fourth Proportional to 232,360.31, 320,401.10 and 160,615.78

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Solution

The fourth proportional to 232,360.31, 320,401.10 and 160,615.78 is: 221,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,360.31 : 320,401.10 = 160,615.78 : x
  2. Step 2: Convert to fraction form
    232,360.31/320,401.10 = 160,615.78/x
  3. Step 3: Cross multiply
    232,360.31x = 320,401.10 × 160,615.78
  4. Step 4: Simplify right side
    232,360.31x = 51,461,472,189.89
  5. Step 5: Solve for x
    x = 51,461,472,189.89/232,360.31
  6. Step 6: Final answer
    x = 221,472.73

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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.