Home / 131,102.83-196,654.47-56,174.41

Finding the Fourth Proportional to 131,102.83, 196,654.47 and 56,174.41

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Solution

The fourth proportional to 131,102.83, 196,654.47 and 56,174.41 is: 84,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,102.83 : 196,654.47 = 56,174.41 : x
  2. Step 2: Convert to fraction form
    131,102.83/196,654.47 = 56,174.41/x
  3. Step 3: Cross multiply
    131,102.83x = 196,654.47 × 56,174.41
  4. Step 4: Simplify right side
    131,102.83x = 11,046,948,826.11
  5. Step 5: Solve for x
    x = 11,046,948,826.11/131,102.83
  6. Step 6: Final answer
    x = 84,261.71

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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.