Home / 227,987.20-341,948.40-70,231.60

Finding the Fourth Proportional to 227,987.20, 341,948.40 and 70,231.60

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Solution

The fourth proportional to 227,987.20, 341,948.40 and 70,231.60 is: 105,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,987.20 : 341,948.40 = 70,231.60 : x
  2. Step 2: Convert to fraction form
    227,987.20/341,948.40 = 70,231.60/x
  3. Step 3: Cross multiply
    227,987.20x = 341,948.40 × 70,231.60
  4. Step 4: Simplify right side
    227,987.20x = 24,015,583,249.44
  5. Step 5: Solve for x
    x = 24,015,583,249.44/227,987.20
  6. Step 6: Final answer
    x = 105,337.42

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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.