Home / 231,832.89-347,179.10-113,121.45

Finding the Fourth Proportional to 231,832.89, 347,179.10 and 113,121.45

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Solution

The fourth proportional to 231,832.89, 347,179.10 and 113,121.45 is: 169,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,832.89 : 347,179.10 = 113,121.45 : x
  2. Step 2: Convert to fraction form
    231,832.89/347,179.10 = 113,121.45/x
  3. Step 3: Cross multiply
    231,832.89x = 347,179.10 × 113,121.45
  4. Step 4: Simplify right side
    231,832.89x = 39,273,402,636.09
  5. Step 5: Solve for x
    x = 39,273,402,636.09/231,832.89
  6. Step 6: Final answer
    x = 169,403.93

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1.5x scale

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.