Home / 251,627.38-376,896.75-118,307.86

Finding the Fourth Proportional to 251,627.38, 376,896.75 and 118,307.86

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Solution

The fourth proportional to 251,627.38, 376,896.75 and 118,307.86 is: 177,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,627.38 : 376,896.75 = 118,307.86 : x
  2. Step 2: Convert to fraction form
    251,627.38/376,896.75 = 118,307.86/x
  3. Step 3: Cross multiply
    251,627.38x = 376,896.75 × 118,307.86
  4. Step 4: Simplify right side
    251,627.38x = 44,589,847,933.46
  5. Step 5: Solve for x
    x = 44,589,847,933.46/251,627.38
  6. Step 6: Final answer
    x = 177,205.87

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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.