Home / 231,442.68-347,157.30-73,680.60

Finding the Fourth Proportional to 231,442.68, 347,157.30 and 73,680.60

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Solution

The fourth proportional to 231,442.68, 347,157.30 and 73,680.60 is: 110,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,442.68 : 347,157.30 = 73,680.60 : x
  2. Step 2: Convert to fraction form
    231,442.68/347,157.30 = 73,680.60/x
  3. Step 3: Cross multiply
    231,442.68x = 347,157.30 × 73,680.60
  4. Step 4: Simplify right side
    231,442.68x = 25,578,758,158.38
  5. Step 5: Solve for x
    x = 25,578,758,158.38/231,442.68
  6. Step 6: Final answer
    x = 110,518.76

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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.