Home / 231,892.20-347,579.10-98,749.80

Finding the Fourth Proportional to 231,892.20, 347,579.10 and 98,749.80

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Solution

The fourth proportional to 231,892.20, 347,579.10 and 98,749.80 is: 148,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,892.20 : 347,579.10 = 98,749.80 : x
  2. Step 2: Convert to fraction form
    231,892.20/347,579.10 = 98,749.80/x
  3. Step 3: Cross multiply
    231,892.20x = 347,579.10 × 98,749.80
  4. Step 4: Simplify right side
    231,892.20x = 34,323,366,609.18
  5. Step 5: Solve for x
    x = 34,323,366,609.18/231,892.20
  6. Step 6: Final answer
    x = 148,014.32

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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.