Home / 120,721.47-166,593.06-67,003.26

Finding the Fourth Proportional to 120,721.47, 166,593.06 and 67,003.26

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Solution

The fourth proportional to 120,721.47, 166,593.06 and 67,003.26 is: 92,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,721.47 : 166,593.06 = 67,003.26 : x
  2. Step 2: Convert to fraction form
    120,721.47/166,593.06 = 67,003.26/x
  3. Step 3: Cross multiply
    120,721.47x = 166,593.06 × 67,003.26
  4. Step 4: Simplify right side
    120,721.47x = 11,162,278,113.38
  5. Step 5: Solve for x
    x = 11,162,278,113.38/120,721.47
  6. Step 6: Final answer
    x = 92,463.07

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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.