Home / 136,899.02-204,848.97-80,766.02

Finding the Fourth Proportional to 136,899.02, 204,848.97 and 80,766.02

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Solution

The fourth proportional to 136,899.02, 204,848.97 and 80,766.02 is: 120,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,899.02 : 204,848.97 = 80,766.02 : x
  2. Step 2: Convert to fraction form
    136,899.02/204,848.97 = 80,766.02/x
  3. Step 3: Cross multiply
    136,899.02x = 204,848.97 × 80,766.02
  4. Step 4: Simplify right side
    136,899.02x = 16,544,836,217.25
  5. Step 5: Solve for x
    x = 16,544,836,217.25/136,899.02
  6. Step 6: Final answer
    x = 120,854.30

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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.