Home / 121,919.37-167,874.89-106,727.01

Finding the Fourth Proportional to 121,919.37, 167,874.89 and 106,727.01

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Solution

The fourth proportional to 121,919.37, 167,874.89 and 106,727.01 is: 146,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,919.37 : 167,874.89 = 106,727.01 : x
  2. Step 2: Convert to fraction form
    121,919.37/167,874.89 = 106,727.01/x
  3. Step 3: Cross multiply
    121,919.37x = 167,874.89 × 106,727.01
  4. Step 4: Simplify right side
    121,919.37x = 17,916,785,063.78
  5. Step 5: Solve for x
    x = 17,916,785,063.78/121,919.37
  6. Step 6: Final answer
    x = 146,956.02

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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.