Home / 109,640.20-164,897.70-98,267.80

Finding the Fourth Proportional to 109,640.20, 164,897.70 and 98,267.80

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Solution

The fourth proportional to 109,640.20, 164,897.70 and 98,267.80 is: 147,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,640.20 : 164,897.70 = 98,267.80 : x
  2. Step 2: Convert to fraction form
    109,640.20/164,897.70 = 98,267.80/x
  3. Step 3: Cross multiply
    109,640.20x = 164,897.70 × 98,267.80
  4. Step 4: Simplify right side
    109,640.20x = 16,204,134,204.06
  5. Step 5: Solve for x
    x = 16,204,134,204.06/109,640.20
  6. Step 6: Final answer
    x = 147,793.73

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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.