Home / 109,910.00-164,864.74-72,197.32

Finding the Fourth Proportional to 109,910.00, 164,864.74 and 72,197.32

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Solution

The fourth proportional to 109,910.00, 164,864.74 and 72,197.32 is: 108,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,910.00 : 164,864.74 = 72,197.32 : x
  2. Step 2: Convert to fraction form
    109,910.00/164,864.74 = 72,197.32/x
  3. Step 3: Cross multiply
    109,910.00x = 164,864.74 × 72,197.32
  4. Step 4: Simplify right side
    109,910.00x = 11,902,792,390.50
  5. Step 5: Solve for x
    x = 11,902,792,390.50/109,910.00
  6. Step 6: Final answer
    x = 108,295.81

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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.