Home / 137,270.44-205,517.40-87,226.48

Finding the Fourth Proportional to 137,270.44, 205,517.40 and 87,226.48

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Solution

The fourth proportional to 137,270.44, 205,517.40 and 87,226.48 is: 130,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,270.44 : 205,517.40 = 87,226.48 : x
  2. Step 2: Convert to fraction form
    137,270.44/205,517.40 = 87,226.48/x
  3. Step 3: Cross multiply
    137,270.44x = 205,517.40 × 87,226.48
  4. Step 4: Simplify right side
    137,270.44x = 17,926,559,380.75
  5. Step 5: Solve for x
    x = 17,926,559,380.75/137,270.44
  6. Step 6: Final answer
    x = 130,593.01

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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.