Home / 227,056.38-313,405.65-131,605.98

Finding the Fourth Proportional to 227,056.38, 313,405.65 and 131,605.98

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Solution

The fourth proportional to 227,056.38, 313,405.65 and 131,605.98 is: 181,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,056.38 : 313,405.65 = 131,605.98 : x
  2. Step 2: Convert to fraction form
    227,056.38/313,405.65 = 131,605.98/x
  3. Step 3: Cross multiply
    227,056.38x = 313,405.65 × 131,605.98
  4. Step 4: Simplify right side
    227,056.38x = 41,246,057,705.79
  5. Step 5: Solve for x
    x = 41,246,057,705.79/227,056.38
  6. Step 6: Final answer
    x = 181,655.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.