Home / 104,176.68-143,669.31-68,353.08

Finding the Fourth Proportional to 104,176.68, 143,669.31 and 68,353.08

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Solution

The fourth proportional to 104,176.68, 143,669.31 and 68,353.08 is: 94,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,176.68 : 143,669.31 = 68,353.08 : x
  2. Step 2: Convert to fraction form
    104,176.68/143,669.31 = 68,353.08/x
  3. Step 3: Cross multiply
    104,176.68x = 143,669.31 × 68,353.08
  4. Step 4: Simplify right side
    104,176.68x = 9,820,239,839.97
  5. Step 5: Solve for x
    x = 9,820,239,839.97/104,176.68
  6. Step 6: Final answer
    x = 94,265.24

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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.