Home / 204,862.80-307,271.16-80,170.32

Finding the Fourth Proportional to 204,862.80, 307,271.16 and 80,170.32

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Solution

The fourth proportional to 204,862.80, 307,271.16 and 80,170.32 is: 120,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,862.80 : 307,271.16 = 80,170.32 : x
  2. Step 2: Convert to fraction form
    204,862.80/307,271.16 = 80,170.32/x
  3. Step 3: Cross multiply
    204,862.80x = 307,271.16 × 80,170.32
  4. Step 4: Simplify right side
    204,862.80x = 24,634,027,223.97
  5. Step 5: Solve for x
    x = 24,634,027,223.97/204,862.80
  6. Step 6: Final answer
    x = 120,246.46

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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.