Home / 131,563.20-197,343.36-52,695.84

Finding the Fourth Proportional to 131,563.20, 197,343.36 and 52,695.84

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Solution

The fourth proportional to 131,563.20, 197,343.36 and 52,695.84 is: 79,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,563.20 : 197,343.36 = 52,695.84 : x
  2. Step 2: Convert to fraction form
    131,563.20/197,343.36 = 52,695.84/x
  3. Step 3: Cross multiply
    131,563.20x = 197,343.36 × 52,695.84
  4. Step 4: Simplify right side
    131,563.20x = 10,399,174,123.62
  5. Step 5: Solve for x
    x = 10,399,174,123.62/131,563.20
  6. Step 6: Final answer
    x = 79,043.18

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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.