Home / 175,647.69-242,268.57-107,680.59

Finding the Fourth Proportional to 175,647.69, 242,268.57 and 107,680.59

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Solution

The fourth proportional to 175,647.69, 242,268.57 and 107,680.59 is: 148,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,647.69 : 242,268.57 = 107,680.59 : x
  2. Step 2: Convert to fraction form
    175,647.69/242,268.57 = 107,680.59/x
  3. Step 3: Cross multiply
    175,647.69x = 242,268.57 × 107,680.59
  4. Step 4: Simplify right side
    175,647.69x = 26,087,622,556.06
  5. Step 5: Solve for x
    x = 26,087,622,556.06/175,647.69
  6. Step 6: Final answer
    x = 148,522.43

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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.