Home / 246,100.68-339,619.92-138,672.36

Finding the Fourth Proportional to 246,100.68, 339,619.92 and 138,672.36

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Solution

The fourth proportional to 246,100.68, 339,619.92 and 138,672.36 is: 191,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,100.68 : 339,619.92 = 138,672.36 : x
  2. Step 2: Convert to fraction form
    246,100.68/339,619.92 = 138,672.36/x
  3. Step 3: Cross multiply
    246,100.68x = 339,619.92 × 138,672.36
  4. Step 4: Simplify right side
    246,100.68x = 47,095,895,809.41
  5. Step 5: Solve for x
    x = 47,095,895,809.41/246,100.68
  6. Step 6: Final answer
    x = 191,368.41

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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.