Home / 231,731.45-347,728.66-125,113.98

Finding the Fourth Proportional to 231,731.45, 347,728.66 and 125,113.98

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Solution

The fourth proportional to 231,731.45, 347,728.66 and 125,113.98 is: 187,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,731.45 : 347,728.66 = 125,113.98 : x
  2. Step 2: Convert to fraction form
    231,731.45/347,728.66 = 125,113.98/x
  3. Step 3: Cross multiply
    231,731.45x = 347,728.66 × 125,113.98
  4. Step 4: Simplify right side
    231,731.45x = 43,505,716,612.67
  5. Step 5: Solve for x
    x = 43,505,716,612.67/231,731.45
  6. Step 6: Final answer
    x = 187,741.96

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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.