Home / 110,720.97-165,979.26-44,145

Finding the Fourth Proportional to 110,720.97, 165,979.26 and 44,145

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Solution

The fourth proportional to 110,720.97, 165,979.26 and 44,145 is: 66,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.97 : 165,979.26 = 44,145 : x
  2. Step 2: Convert to fraction form
    110,720.97/165,979.26 = 44,145/x
  3. Step 3: Cross multiply
    110,720.97x = 165,979.26 × 44,145
  4. Step 4: Simplify right side
    110,720.97x = 7,327,154,432.70
  5. Step 5: Solve for x
    x = 7,327,154,432.70/110,720.97
  6. Step 6: Final answer
    x = 66,176.75

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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.