Home / 110,010.49-165,099.32-80,504.47

Finding the Fourth Proportional to 110,010.49, 165,099.32 and 80,504.47

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Solution

The fourth proportional to 110,010.49, 165,099.32 and 80,504.47 is: 120,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,010.49 : 165,099.32 = 80,504.47 : x
  2. Step 2: Convert to fraction form
    110,010.49/165,099.32 = 80,504.47/x
  3. Step 3: Cross multiply
    110,010.49x = 165,099.32 × 80,504.47
  4. Step 4: Simplify right side
    110,010.49x = 13,291,233,253.96
  5. Step 5: Solve for x
    x = 13,291,233,253.96/110,010.49
  6. Step 6: Final answer
    x = 120,817.87

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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.