Home / 252,040.70-347,822.43-155,207.90

Finding the Fourth Proportional to 252,040.70, 347,822.43 and 155,207.90

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Solution

The fourth proportional to 252,040.70, 347,822.43 and 155,207.90 is: 214,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,040.70 : 347,822.43 = 155,207.90 : x
  2. Step 2: Convert to fraction form
    252,040.70/347,822.43 = 155,207.90/x
  3. Step 3: Cross multiply
    252,040.70x = 347,822.43 × 155,207.90
  4. Step 4: Simplify right side
    252,040.70x = 53,984,788,933.20
  5. Step 5: Solve for x
    x = 53,984,788,933.20/252,040.70
  6. Step 6: Final answer
    x = 214,190.76

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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.