Home / 110,552.90-165,732.15-66,197.30

Finding the Fourth Proportional to 110,552.90, 165,732.15 and 66,197.30

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Solution

The fourth proportional to 110,552.90, 165,732.15 and 66,197.30 is: 99,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,552.90 : 165,732.15 = 66,197.30 : x
  2. Step 2: Convert to fraction form
    110,552.90/165,732.15 = 66,197.30/x
  3. Step 3: Cross multiply
    110,552.90x = 165,732.15 × 66,197.30
  4. Step 4: Simplify right side
    110,552.90x = 10,971,020,853.20
  5. Step 5: Solve for x
    x = 10,971,020,853.20/110,552.90
  6. Step 6: Final answer
    x = 99,237.75

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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.