Home / 109,418.20-164,127.30-35,546.20

Finding the Fourth Proportional to 109,418.20, 164,127.30 and 35,546.20

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Solution

The fourth proportional to 109,418.20, 164,127.30 and 35,546.20 is: 53,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,418.20 : 164,127.30 = 35,546.20 : x
  2. Step 2: Convert to fraction form
    109,418.20/164,127.30 = 35,546.20/x
  3. Step 3: Cross multiply
    109,418.20x = 164,127.30 × 35,546.20
  4. Step 4: Simplify right side
    109,418.20x = 5,834,101,831.26
  5. Step 5: Solve for x
    x = 5,834,101,831.26/109,418.20
  6. Step 6: Final answer
    x = 53,319.30

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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.