Home / 131,800.47-197,617.62-111,816.96

Finding the Fourth Proportional to 131,800.47, 197,617.62 and 111,816.96

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Solution

The fourth proportional to 131,800.47, 197,617.62 and 111,816.96 is: 167,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,800.47 : 197,617.62 = 111,816.96 : x
  2. Step 2: Convert to fraction form
    131,800.47/197,617.62 = 111,816.96/x
  3. Step 3: Cross multiply
    131,800.47x = 197,617.62 × 111,816.96
  4. Step 4: Simplify right side
    131,800.47x = 22,097,001,189.08
  5. Step 5: Solve for x
    x = 22,097,001,189.08/131,800.47
  6. Step 6: Final answer
    x = 167,654.95

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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.