Home / 131,600.88-197,276.04-42,791.94

Finding the Fourth Proportional to 131,600.88, 197,276.04 and 42,791.94

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Solution

The fourth proportional to 131,600.88, 197,276.04 and 42,791.94 is: 64,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,600.88 : 197,276.04 = 42,791.94 : x
  2. Step 2: Convert to fraction form
    131,600.88/197,276.04 = 42,791.94/x
  3. Step 3: Cross multiply
    131,600.88x = 197,276.04 × 42,791.94
  4. Step 4: Simplify right side
    131,600.88x = 8,441,824,467.12
  5. Step 5: Solve for x
    x = 8,441,824,467.12/131,600.88
  6. Step 6: Final answer
    x = 64,147.17

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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.