Home / 165,266.20-247,899.78-65,449.96

Finding the Fourth Proportional to 165,266.20, 247,899.78 and 65,449.96

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Solution

The fourth proportional to 165,266.20, 247,899.78 and 65,449.96 is: 98,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,266.20 : 247,899.78 = 65,449.96 : x
  2. Step 2: Convert to fraction form
    165,266.20/247,899.78 = 65,449.96/x
  3. Step 3: Cross multiply
    165,266.20x = 247,899.78 × 65,449.96
  4. Step 4: Simplify right side
    165,266.20x = 16,225,030,685.01
  5. Step 5: Solve for x
    x = 16,225,030,685.01/165,266.20
  6. Step 6: Final answer
    x = 98,175.13

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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.