Home / 110,260.40-165,208.20-63,431.60

Finding the Fourth Proportional to 110,260.40, 165,208.20 and 63,431.60

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Solution

The fourth proportional to 110,260.40, 165,208.20 and 63,431.60 is: 95,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,260.40 : 165,208.20 = 63,431.60 : x
  2. Step 2: Convert to fraction form
    110,260.40/165,208.20 = 63,431.60/x
  3. Step 3: Cross multiply
    110,260.40x = 165,208.20 × 63,431.60
  4. Step 4: Simplify right side
    110,260.40x = 10,479,420,459.12
  5. Step 5: Solve for x
    x = 10,479,420,459.12/110,260.40
  6. Step 6: Final answer
    x = 95,042.47

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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.