Home / 104,290.17-155,093.55-100,968.66

Finding the Fourth Proportional to 104,290.17, 155,093.55 and 100,968.66

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Solution

The fourth proportional to 104,290.17, 155,093.55 and 100,968.66 is: 150,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.17 : 155,093.55 = 100,968.66 : x
  2. Step 2: Convert to fraction form
    104,290.17/155,093.55 = 100,968.66/x
  3. Step 3: Cross multiply
    104,290.17x = 155,093.55 × 100,968.66
  4. Step 4: Simplify right side
    104,290.17x = 15,659,587,918.14
  5. Step 5: Solve for x
    x = 15,659,587,918.14/104,290.17
  6. Step 6: Final answer
    x = 150,154.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.