Home / 246,426.86-340,072.98-138,999.03

Finding the Fourth Proportional to 246,426.86, 340,072.98 and 138,999.03

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Solution

The fourth proportional to 246,426.86, 340,072.98 and 138,999.03 is: 191,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,426.86 : 340,072.98 = 138,999.03 : x
  2. Step 2: Convert to fraction form
    246,426.86/340,072.98 = 138,999.03/x
  3. Step 3: Cross multiply
    246,426.86x = 340,072.98 × 138,999.03
  4. Step 4: Simplify right side
    246,426.86x = 47,269,812,648.84
  5. Step 5: Solve for x
    x = 47,269,812,648.84/246,426.86
  6. Step 6: Final answer
    x = 191,820.87

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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.