Home / 131,367.88-197,069.64-42,592.42

Finding the Fourth Proportional to 131,367.88, 197,069.64 and 42,592.42

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Solution

The fourth proportional to 131,367.88, 197,069.64 and 42,592.42 is: 63,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,367.88 : 197,069.64 = 42,592.42 : x
  2. Step 2: Convert to fraction form
    131,367.88/197,069.64 = 42,592.42/x
  3. Step 3: Cross multiply
    131,367.88x = 197,069.64 × 42,592.42
  4. Step 4: Simplify right side
    131,367.88x = 8,393,672,876.13
  5. Step 5: Solve for x
    x = 8,393,672,876.13/131,367.88
  6. Step 6: Final answer
    x = 63,894.41

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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.