Home / 109,214.11-163,832.34-41,802.78

Finding the Fourth Proportional to 109,214.11, 163,832.34 and 41,802.78

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Solution

The fourth proportional to 109,214.11, 163,832.34 and 41,802.78 is: 62,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,214.11 : 163,832.34 = 41,802.78 : x
  2. Step 2: Convert to fraction form
    109,214.11/163,832.34 = 41,802.78/x
  3. Step 3: Cross multiply
    109,214.11x = 163,832.34 × 41,802.78
  4. Step 4: Simplify right side
    109,214.11x = 6,848,647,265.91
  5. Step 5: Solve for x
    x = 6,848,647,265.91/109,214.11
  6. Step 6: Final answer
    x = 62,708.45

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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.