Home / 344,629.74-516,588.46-131,340.40

Finding the Fourth Proportional to 344,629.74, 516,588.46 and 131,340.40

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Solution

The fourth proportional to 344,629.74, 516,588.46 and 131,340.40 is: 196,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,629.74 : 516,588.46 = 131,340.40 : x
  2. Step 2: Convert to fraction form
    344,629.74/516,588.46 = 131,340.40/x
  3. Step 3: Cross multiply
    344,629.74x = 516,588.46 × 131,340.40
  4. Step 4: Simplify right side
    344,629.74x = 67,848,934,971.78
  5. Step 5: Solve for x
    x = 67,848,934,971.78/344,629.74
  6. Step 6: Final answer
    x = 196,874.87

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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.