Home / 226,530.15-312,576.62-131,045.73

Finding the Fourth Proportional to 226,530.15, 312,576.62 and 131,045.73

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Solution

The fourth proportional to 226,530.15, 312,576.62 and 131,045.73 is: 180,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,530.15 : 312,576.62 = 131,045.73 : x
  2. Step 2: Convert to fraction form
    226,530.15/312,576.62 = 131,045.73/x
  3. Step 3: Cross multiply
    226,530.15x = 312,576.62 × 131,045.73
  4. Step 4: Simplify right side
    226,530.15x = 40,961,830,693.60
  5. Step 5: Solve for x
    x = 40,961,830,693.60/226,530.15
  6. Step 6: Final answer
    x = 180,822.86

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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.