Home / 231,611.18-347,364.46-117,643.56

Finding the Fourth Proportional to 231,611.18, 347,364.46 and 117,643.56

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Solution

The fourth proportional to 231,611.18, 347,364.46 and 117,643.56 is: 176,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,611.18 : 347,364.46 = 117,643.56 : x
  2. Step 2: Convert to fraction form
    231,611.18/347,364.46 = 117,643.56/x
  3. Step 3: Cross multiply
    231,611.18x = 347,364.46 × 117,643.56
  4. Step 4: Simplify right side
    231,611.18x = 40,865,191,691.88
  5. Step 5: Solve for x
    x = 40,865,191,691.88/231,611.18
  6. Step 6: Final answer
    x = 176,438.77

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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.