Home / 137,238.20-205,820.26-48,480.02

Finding the Fourth Proportional to 137,238.20, 205,820.26 and 48,480.02

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Solution

The fourth proportional to 137,238.20, 205,820.26 and 48,480.02 is: 72,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,238.20 : 205,820.26 = 48,480.02 : x
  2. Step 2: Convert to fraction form
    137,238.20/205,820.26 = 48,480.02/x
  3. Step 3: Cross multiply
    137,238.20x = 205,820.26 × 48,480.02
  4. Step 4: Simplify right side
    137,238.20x = 9,978,169,170.90
  5. Step 5: Solve for x
    x = 9,978,169,170.90/137,238.20
  6. Step 6: Final answer
    x = 72,706.94

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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.