Home / 397,342.09-596,033.81-131,123.36

Finding the Fourth Proportional to 397,342.09, 596,033.81 and 131,123.36

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Solution

The fourth proportional to 397,342.09, 596,033.81 and 131,123.36 is: 196,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,342.09 : 596,033.81 = 131,123.36 : x
  2. Step 2: Convert to fraction form
    397,342.09/596,033.81 = 131,123.36/x
  3. Step 3: Cross multiply
    397,342.09x = 596,033.81 × 131,123.36
  4. Step 4: Simplify right side
    397,342.09x = 78,153,956,675.27
  5. Step 5: Solve for x
    x = 78,153,956,675.27/397,342.09
  6. Step 6: Final answer
    x = 196,691.87

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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.