Home / 109,375.30-164,099.40-97,616.80

Finding the Fourth Proportional to 109,375.30, 164,099.40 and 97,616.80

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Solution

The fourth proportional to 109,375.30, 164,099.40 and 97,616.80 is: 146,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,375.30 : 164,099.40 = 97,616.80 : x
  2. Step 2: Convert to fraction form
    109,375.30/164,099.40 = 97,616.80/x
  3. Step 3: Cross multiply
    109,375.30x = 164,099.40 × 97,616.80
  4. Step 4: Simplify right side
    109,375.30x = 16,018,858,309.92
  5. Step 5: Solve for x
    x = 16,018,858,309.92/109,375.30
  6. Step 6: Final answer
    x = 146,457.73

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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.