Home / 131,157.66-196,562.34-52,228.56

Finding the Fourth Proportional to 131,157.66, 196,562.34 and 52,228.56

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Solution

The fourth proportional to 131,157.66, 196,562.34 and 52,228.56 is: 78,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,157.66 : 196,562.34 = 52,228.56 : x
  2. Step 2: Convert to fraction form
    131,157.66/196,562.34 = 52,228.56/x
  3. Step 3: Cross multiply
    131,157.66x = 196,562.34 × 52,228.56
  4. Step 4: Simplify right side
    131,157.66x = 10,266,167,968.43
  5. Step 5: Solve for x
    x = 10,266,167,968.43/131,157.66
  6. Step 6: Final answer
    x = 78,273.49

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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.