Home / 132,851.10-199,276.65-54,021.90

Finding the Fourth Proportional to 132,851.10, 199,276.65 and 54,021.90

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Solution

The fourth proportional to 132,851.10, 199,276.65 and 54,021.90 is: 81,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,851.10 : 199,276.65 = 54,021.90 : x
  2. Step 2: Convert to fraction form
    132,851.10/199,276.65 = 54,021.90/x
  3. Step 3: Cross multiply
    132,851.10x = 199,276.65 × 54,021.90
  4. Step 4: Simplify right side
    132,851.10x = 10,765,303,258.64
  5. Step 5: Solve for x
    x = 10,765,303,258.64/132,851.10
  6. Step 6: Final answer
    x = 81,032.85

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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.