Home / 251,211.10-376,233.45-171,895.90

Finding the Fourth Proportional to 251,211.10, 376,233.45 and 171,895.90

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Solution

The fourth proportional to 251,211.10, 376,233.45 and 171,895.90 is: 257,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,211.10 : 376,233.45 = 171,895.90 : x
  2. Step 2: Convert to fraction form
    251,211.10/376,233.45 = 171,895.90/x
  3. Step 3: Cross multiply
    251,211.10x = 376,233.45 × 171,895.90
  4. Step 4: Simplify right side
    251,211.10x = 64,672,987,497.86
  5. Step 5: Solve for x
    x = 64,672,987,497.86/251,211.10
  6. Step 6: Final answer
    x = 257,444.78

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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.