Home / 110,401.56-165,605.08-40,280.88

Finding the Fourth Proportional to 110,401.56, 165,605.08 and 40,280.88

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Solution

The fourth proportional to 110,401.56, 165,605.08 and 40,280.88 is: 60,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,401.56 : 165,605.08 = 40,280.88 : x
  2. Step 2: Convert to fraction form
    110,401.56/165,605.08 = 40,280.88/x
  3. Step 3: Cross multiply
    110,401.56x = 165,605.08 × 40,280.88
  4. Step 4: Simplify right side
    110,401.56x = 6,670,717,426.14
  5. Step 5: Solve for x
    x = 6,670,717,426.14/110,401.56
  6. Step 6: Final answer
    x = 60,422.31

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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.