Home / 344,618.92-516,927.84-107,979.76

Finding the Fourth Proportional to 344,618.92, 516,927.84 and 107,979.76

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Solution

The fourth proportional to 344,618.92, 516,927.84 and 107,979.76 is: 161,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,618.92 : 516,927.84 = 107,979.76 : x
  2. Step 2: Convert to fraction form
    344,618.92/516,927.84 = 107,979.76/x
  3. Step 3: Cross multiply
    344,618.92x = 516,927.84 × 107,979.76
  4. Step 4: Simplify right side
    344,618.92x = 55,817,744,100.52
  5. Step 5: Solve for x
    x = 55,817,744,100.52/344,618.92
  6. Step 6: Final answer
    x = 161,969.47

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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.