Home / 112,143.20-168,215.43-33,258.02

Finding the Fourth Proportional to 112,143.20, 168,215.43 and 33,258.02

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Solution

The fourth proportional to 112,143.20, 168,215.43 and 33,258.02 is: 49,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,143.20 : 168,215.43 = 33,258.02 : x
  2. Step 2: Convert to fraction form
    112,143.20/168,215.43 = 33,258.02/x
  3. Step 3: Cross multiply
    112,143.20x = 168,215.43 × 33,258.02
  4. Step 4: Simplify right side
    112,143.20x = 5,594,512,135.25
  5. Step 5: Solve for x
    x = 5,594,512,135.25/112,143.20
  6. Step 6: Final answer
    x = 49,887.22

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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.