Home / 109,525.20-164,633.40-101,230.80

Finding the Fourth Proportional to 109,525.20, 164,633.40 and 101,230.80

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Solution

The fourth proportional to 109,525.20, 164,633.40 and 101,230.80 is: 152,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,525.20 : 164,633.40 = 101,230.80 : x
  2. Step 2: Convert to fraction form
    109,525.20/164,633.40 = 101,230.80/x
  3. Step 3: Cross multiply
    109,525.20x = 164,633.40 × 101,230.80
  4. Step 4: Simplify right side
    109,525.20x = 16,665,970,788.72
  5. Step 5: Solve for x
    x = 16,665,970,788.72/109,525.20
  6. Step 6: Final answer
    x = 152,165.63

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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.