Home / 156,989.40-235,473.30-50,371.80

Finding the Fourth Proportional to 156,989.40, 235,473.30 and 50,371.80

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Solution

The fourth proportional to 156,989.40, 235,473.30 and 50,371.80 is: 75,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.40 : 235,473.30 = 50,371.80 : x
  2. Step 2: Convert to fraction form
    156,989.40/235,473.30 = 50,371.80/x
  3. Step 3: Cross multiply
    156,989.40x = 235,473.30 × 50,371.80
  4. Step 4: Simplify right side
    156,989.40x = 11,861,213,972.94
  5. Step 5: Solve for x
    x = 11,861,213,972.94/156,989.40
  6. Step 6: Final answer
    x = 75,554.23

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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.