Home / 104,517.19-144,178.43-66,209.15

Finding the Fourth Proportional to 104,517.19, 144,178.43 and 66,209.15

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Solution

The fourth proportional to 104,517.19, 144,178.43 and 66,209.15 is: 91,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.19 : 144,178.43 = 66,209.15 : x
  2. Step 2: Convert to fraction form
    104,517.19/144,178.43 = 66,209.15/x
  3. Step 3: Cross multiply
    104,517.19x = 144,178.43 × 66,209.15
  4. Step 4: Simplify right side
    104,517.19x = 9,545,930,889.46
  5. Step 5: Solve for x
    x = 9,545,930,889.46/104,517.19
  6. Step 6: Final answer
    x = 91,333.60

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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.