Home / 165,633.40-248,328.60-65,744.20

Finding the Fourth Proportional to 165,633.40, 248,328.60 and 65,744.20

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Solution

The fourth proportional to 165,633.40, 248,328.60 and 65,744.20 is: 98,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,633.40 : 248,328.60 = 65,744.20 : x
  2. Step 2: Convert to fraction form
    165,633.40/248,328.60 = 65,744.20/x
  3. Step 3: Cross multiply
    165,633.40x = 248,328.60 × 65,744.20
  4. Step 4: Simplify right side
    165,633.40x = 16,326,165,144.12
  5. Step 5: Solve for x
    x = 16,326,165,144.12/165,633.40
  6. Step 6: Final answer
    x = 98,568.07

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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.