Home / 226,642.96-312,791.70-141,787.36

Finding the Fourth Proportional to 226,642.96, 312,791.70 and 141,787.36

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Solution

The fourth proportional to 226,642.96, 312,791.70 and 141,787.36 is: 195,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,642.96 : 312,791.70 = 141,787.36 : x
  2. Step 2: Convert to fraction form
    226,642.96/312,791.70 = 141,787.36/x
  3. Step 3: Cross multiply
    226,642.96x = 312,791.70 × 141,787.36
  4. Step 4: Simplify right side
    226,642.96x = 44,349,909,372.91
  5. Step 5: Solve for x
    x = 44,349,909,372.91/226,642.96
  6. Step 6: Final answer
    x = 195,681.83

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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.