Home / 138,764.62-191,365.17-92,114.95

Finding the Fourth Proportional to 138,764.62, 191,365.17 and 92,114.95

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Solution

The fourth proportional to 138,764.62, 191,365.17 and 92,114.95 is: 127,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,764.62 : 191,365.17 = 92,114.95 : x
  2. Step 2: Convert to fraction form
    138,764.62/191,365.17 = 92,114.95/x
  3. Step 3: Cross multiply
    138,764.62x = 191,365.17 × 92,114.95
  4. Step 4: Simplify right side
    138,764.62x = 17,627,593,066.29
  5. Step 5: Solve for x
    x = 17,627,593,066.29/138,764.62
  6. Step 6: Final answer
    x = 127,032.33

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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.