Home / 110,344.12-165,599.34-80,837.56

Finding the Fourth Proportional to 110,344.12, 165,599.34 and 80,837.56

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Solution

The fourth proportional to 110,344.12, 165,599.34 and 80,837.56 is: 121,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,344.12 : 165,599.34 = 80,837.56 : x
  2. Step 2: Convert to fraction form
    110,344.12/165,599.34 = 80,837.56/x
  3. Step 3: Cross multiply
    110,344.12x = 165,599.34 × 80,837.56
  4. Step 4: Simplify right side
    110,344.12x = 13,386,646,583.21
  5. Step 5: Solve for x
    x = 13,386,646,583.21/110,344.12
  6. Step 6: Final answer
    x = 121,317.26

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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.