Home / 344,784.69-517,182.48-108,129.42

Finding the Fourth Proportional to 344,784.69, 517,182.48 and 108,129.42

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Solution

The fourth proportional to 344,784.69, 517,182.48 and 108,129.42 is: 162,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,784.69 : 517,182.48 = 108,129.42 : x
  2. Step 2: Convert to fraction form
    344,784.69/517,182.48 = 108,129.42/x
  3. Step 3: Cross multiply
    344,784.69x = 517,182.48 × 108,129.42
  4. Step 4: Simplify right side
    344,784.69x = 55,922,641,596.56
  5. Step 5: Solve for x
    x = 55,922,641,596.56/344,784.69
  6. Step 6: Final answer
    x = 162,195.84

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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.