Home / 154,023.68-212,463.97-92,727.25

Finding the Fourth Proportional to 154,023.68, 212,463.97 and 92,727.25

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Solution

The fourth proportional to 154,023.68, 212,463.97 and 92,727.25 is: 127,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,023.68 : 212,463.97 = 92,727.25 : x
  2. Step 2: Convert to fraction form
    154,023.68/212,463.97 = 92,727.25/x
  3. Step 3: Cross multiply
    154,023.68x = 212,463.97 × 92,727.25
  4. Step 4: Simplify right side
    154,023.68x = 19,701,198,899.20
  5. Step 5: Solve for x
    x = 19,701,198,899.20/154,023.68
  6. Step 6: Final answer
    x = 127,910.19

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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.