Home / 110,665.72-165,998.22-66,305.80

Finding the Fourth Proportional to 110,665.72, 165,998.22 and 66,305.80

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Solution

The fourth proportional to 110,665.72, 165,998.22 and 66,305.80 is: 99,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,665.72 : 165,998.22 = 66,305.80 : x
  2. Step 2: Convert to fraction form
    110,665.72/165,998.22 = 66,305.80/x
  3. Step 3: Cross multiply
    110,665.72x = 165,998.22 × 66,305.80
  4. Step 4: Simplify right side
    110,665.72x = 11,006,644,775.68
  5. Step 5: Solve for x
    x = 11,006,644,775.68/110,665.72
  6. Step 6: Final answer
    x = 99,458.48

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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.