Home / 168,138.75-232,036.34-92,692.11

Finding the Fourth Proportional to 168,138.75, 232,036.34 and 92,692.11

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Solution

The fourth proportional to 168,138.75, 232,036.34 and 92,692.11 is: 127,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,138.75 : 232,036.34 = 92,692.11 : x
  2. Step 2: Convert to fraction form
    168,138.75/232,036.34 = 92,692.11/x
  3. Step 3: Cross multiply
    168,138.75x = 232,036.34 × 92,692.11
  4. Step 4: Simplify right side
    168,138.75x = 21,507,937,487.82
  5. Step 5: Solve for x
    x = 21,507,937,487.82/168,138.75
  6. Step 6: Final answer
    x = 127,917.79

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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.