Home / 231,921.20-347,833.20-113,677.40

Finding the Fourth Proportional to 231,921.20, 347,833.20 and 113,677.40

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Solution

The fourth proportional to 231,921.20, 347,833.20 and 113,677.40 is: 170,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,921.20 : 347,833.20 = 113,677.40 : x
  2. Step 2: Convert to fraction form
    231,921.20/347,833.20 = 113,677.40/x
  3. Step 3: Cross multiply
    231,921.20x = 347,833.20 × 113,677.40
  4. Step 4: Simplify right side
    231,921.20x = 39,540,773,809.68
  5. Step 5: Solve for x
    x = 39,540,773,809.68/231,921.20
  6. Step 6: Final answer
    x = 170,492.28

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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.