Home / 110,165.30-164,919.90-65,769.20

Finding the Fourth Proportional to 110,165.30, 164,919.90 and 65,769.20

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Solution

The fourth proportional to 110,165.30, 164,919.90 and 65,769.20 is: 98,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,165.30 : 164,919.90 = 65,769.20 : x
  2. Step 2: Convert to fraction form
    110,165.30/164,919.90 = 65,769.20/x
  3. Step 3: Cross multiply
    110,165.30x = 164,919.90 × 65,769.20
  4. Step 4: Simplify right side
    110,165.30x = 10,846,649,887.08
  5. Step 5: Solve for x
    x = 10,846,649,887.08/110,165.30
  6. Step 6: Final answer
    x = 98,457.95

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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.