Home / 110,560.90-165,744.15-66,205.30

Finding the Fourth Proportional to 110,560.90, 165,744.15 and 66,205.30

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Solution

The fourth proportional to 110,560.90, 165,744.15 and 66,205.30 is: 99,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,560.90 : 165,744.15 = 66,205.30 : x
  2. Step 2: Convert to fraction form
    110,560.90/165,744.15 = 66,205.30/x
  3. Step 3: Cross multiply
    110,560.90x = 165,744.15 × 66,205.30
  4. Step 4: Simplify right side
    110,560.90x = 10,973,141,174.00
  5. Step 5: Solve for x
    x = 10,973,141,174.00/110,560.90
  6. Step 6: Final answer
    x = 99,249.75

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1.5x scale

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.