Home / 231,882.60-347,621.40-89,824.80

Finding the Fourth Proportional to 231,882.60, 347,621.40 and 89,824.80

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Solution

The fourth proportional to 231,882.60, 347,621.40 and 89,824.80 is: 134,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,882.60 : 347,621.40 = 89,824.80 : x
  2. Step 2: Convert to fraction form
    231,882.60/347,621.40 = 89,824.80/x
  3. Step 3: Cross multiply
    231,882.60x = 347,621.40 × 89,824.80
  4. Step 4: Simplify right side
    231,882.60x = 31,225,022,730.72
  5. Step 5: Solve for x
    x = 31,225,022,730.72/231,882.60
  6. Step 6: Final answer
    x = 134,658.76

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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.