Home / 109,861.46-164,791.01-83,370.11

Finding the Fourth Proportional to 109,861.46, 164,791.01 and 83,370.11

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Solution

The fourth proportional to 109,861.46, 164,791.01 and 83,370.11 is: 125,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,861.46 : 164,791.01 = 83,370.11 : x
  2. Step 2: Convert to fraction form
    109,861.46/164,791.01 = 83,370.11/x
  3. Step 3: Cross multiply
    109,861.46x = 164,791.01 × 83,370.11
  4. Step 4: Simplify right side
    109,861.46x = 13,738,644,473.17
  5. Step 5: Solve for x
    x = 13,738,644,473.17/109,861.46
  6. Step 6: Final answer
    x = 125,054.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.