Home / 344,625.74-516,582.46-131,336.40

Finding the Fourth Proportional to 344,625.74, 516,582.46 and 131,336.40

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Solution

The fourth proportional to 344,625.74, 516,582.46 and 131,336.40 is: 196,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,625.74 : 516,582.46 = 131,336.40 : x
  2. Step 2: Convert to fraction form
    344,625.74/516,582.46 = 131,336.40/x
  3. Step 3: Cross multiply
    344,625.74x = 516,582.46 × 131,336.40
  4. Step 4: Simplify right side
    344,625.74x = 67,846,077,603.47
  5. Step 5: Solve for x
    x = 67,846,077,603.47/344,625.74
  6. Step 6: Final answer
    x = 196,868.86

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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.