Home / 120,937.41-166,512.47-109,727.33

Finding the Fourth Proportional to 120,937.41, 166,512.47 and 109,727.33

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Solution

The fourth proportional to 120,937.41, 166,512.47 and 109,727.33 is: 151,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,937.41 : 166,512.47 = 109,727.33 : x
  2. Step 2: Convert to fraction form
    120,937.41/166,512.47 = 109,727.33/x
  3. Step 3: Cross multiply
    120,937.41x = 166,512.47 × 109,727.33
  4. Step 4: Simplify right side
    120,937.41x = 18,270,967,363.61
  5. Step 5: Solve for x
    x = 18,270,967,363.61/120,937.41
  6. Step 6: Final answer
    x = 151,077.88

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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.