Home / 110,416.49-165,640.23-54,258.81

Finding the Fourth Proportional to 110,416.49, 165,640.23 and 54,258.81

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Solution

The fourth proportional to 110,416.49, 165,640.23 and 54,258.81 is: 81,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,416.49 : 165,640.23 = 54,258.81 : x
  2. Step 2: Convert to fraction form
    110,416.49/165,640.23 = 54,258.81/x
  3. Step 3: Cross multiply
    110,416.49x = 165,640.23 × 54,258.81
  4. Step 4: Simplify right side
    110,416.49x = 8,987,442,002.20
  5. Step 5: Solve for x
    x = 8,987,442,002.20/110,416.49
  6. Step 6: Final answer
    x = 81,395.83

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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.