Home / 133,005.12-199,540.20-44,258.40

Finding the Fourth Proportional to 133,005.12, 199,540.20 and 44,258.40

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Solution

The fourth proportional to 133,005.12, 199,540.20 and 44,258.40 is: 66,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,005.12 : 199,540.20 = 44,258.40 : x
  2. Step 2: Convert to fraction form
    133,005.12/199,540.20 = 44,258.40/x
  3. Step 3: Cross multiply
    133,005.12x = 199,540.20 × 44,258.40
  4. Step 4: Simplify right side
    133,005.12x = 8,831,329,987.68
  5. Step 5: Solve for x
    x = 8,831,329,987.68/133,005.12
  6. Step 6: Final answer
    x = 66,398.42

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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.