Home / 112,143.78-168,243.35-33,258.02

Finding the Fourth Proportional to 112,143.78, 168,243.35 and 33,258.02

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Solution

The fourth proportional to 112,143.78, 168,243.35 and 33,258.02 is: 49,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,143.78 : 168,243.35 = 33,258.02 : x
  2. Step 2: Convert to fraction form
    112,143.78/168,243.35 = 33,258.02/x
  3. Step 3: Cross multiply
    112,143.78x = 168,243.35 × 33,258.02
  4. Step 4: Simplify right side
    112,143.78x = 5,595,439,691.66
  5. Step 5: Solve for x
    x = 5,595,439,691.66/112,143.78
  6. Step 6: Final answer
    x = 49,895.23

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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.