Home / 110,520.18-165,821.18-66,177.95

Finding the Fourth Proportional to 110,520.18, 165,821.18 and 66,177.95

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Solution

The fourth proportional to 110,520.18, 165,821.18 and 66,177.95 is: 99,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,520.18 : 165,821.18 = 66,177.95 : x
  2. Step 2: Convert to fraction form
    110,520.18/165,821.18 = 66,177.95/x
  3. Step 3: Cross multiply
    110,520.18x = 165,821.18 × 66,177.95
  4. Step 4: Simplify right side
    110,520.18x = 10,973,704,598.99
  5. Step 5: Solve for x
    x = 10,973,704,598.99/110,520.18
  6. Step 6: Final answer
    x = 99,291.41

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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.