Home / 131,046.86-196,583.05-52,142.64

Finding the Fourth Proportional to 131,046.86, 196,583.05 and 52,142.64

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Solution

The fourth proportional to 131,046.86, 196,583.05 and 52,142.64 is: 78,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,046.86 : 196,583.05 = 52,142.64 : x
  2. Step 2: Convert to fraction form
    131,046.86/196,583.05 = 52,142.64/x
  3. Step 3: Cross multiply
    131,046.86x = 196,583.05 × 52,142.64
  4. Step 4: Simplify right side
    131,046.86x = 10,250,358,534.24
  5. Step 5: Solve for x
    x = 10,250,358,534.24/131,046.86
  6. Step 6: Final answer
    x = 78,219.03

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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.