Home / 110,506.22-165,758.12-66,145.36

Finding the Fourth Proportional to 110,506.22, 165,758.12 and 66,145.36

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Solution

The fourth proportional to 110,506.22, 165,758.12 and 66,145.36 is: 99,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,506.22 : 165,758.12 = 66,145.36 : x
  2. Step 2: Convert to fraction form
    110,506.22/165,758.12 = 66,145.36/x
  3. Step 3: Cross multiply
    110,506.22x = 165,758.12 × 66,145.36
  4. Step 4: Simplify right side
    110,506.22x = 10,964,129,775.20
  5. Step 5: Solve for x
    x = 10,964,129,775.20/110,506.22
  6. Step 6: Final answer
    x = 99,217.31

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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.