Home / 109,754.54-164,458.83-84,855.50

Finding the Fourth Proportional to 109,754.54, 164,458.83 and 84,855.50

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Solution

The fourth proportional to 109,754.54, 164,458.83 and 84,855.50 is: 127,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,754.54 : 164,458.83 = 84,855.50 : x
  2. Step 2: Convert to fraction form
    109,754.54/164,458.83 = 84,855.50/x
  3. Step 3: Cross multiply
    109,754.54x = 164,458.83 × 84,855.50
  4. Step 4: Simplify right side
    109,754.54x = 13,955,236,249.07
  5. Step 5: Solve for x
    x = 13,955,236,249.07/109,754.54
  6. Step 6: Final answer
    x = 127,149.51

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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.