Home / 109,472.75-164,246.00-108,734.64

Finding the Fourth Proportional to 109,472.75, 164,246.00 and 108,734.64

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Solution

The fourth proportional to 109,472.75, 164,246.00 and 108,734.64 is: 163,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,472.75 : 164,246.00 = 108,734.64 : x
  2. Step 2: Convert to fraction form
    109,472.75/164,246.00 = 108,734.64/x
  3. Step 3: Cross multiply
    109,472.75x = 164,246.00 × 108,734.64
  4. Step 4: Simplify right side
    109,472.75x = 17,859,228,521.84
  5. Step 5: Solve for x
    x = 17,859,228,521.84/109,472.75
  6. Step 6: Final answer
    x = 163,138.58

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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.