Home / 231,631.20-347,414.40-73,875.60

Finding the Fourth Proportional to 231,631.20, 347,414.40 and 73,875.60

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Solution

The fourth proportional to 231,631.20, 347,414.40 and 73,875.60 is: 110,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,631.20 : 347,414.40 = 73,875.60 : x
  2. Step 2: Convert to fraction form
    231,631.20/347,414.40 = 73,875.60/x
  3. Step 3: Cross multiply
    231,631.20x = 347,414.40 × 73,875.60
  4. Step 4: Simplify right side
    231,631.20x = 25,665,447,248.64
  5. Step 5: Solve for x
    x = 25,665,447,248.64/231,631.20
  6. Step 6: Final answer
    x = 110,803.07

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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.