Home / 344,631.60-516,947.58-107,992.80

Finding the Fourth Proportional to 344,631.60, 516,947.58 and 107,992.80

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Solution

The fourth proportional to 344,631.60, 516,947.58 and 107,992.80 is: 161,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,631.60 : 516,947.58 = 107,992.80 : x
  2. Step 2: Convert to fraction form
    344,631.60/516,947.58 = 107,992.80/x
  3. Step 3: Cross multiply
    344,631.60x = 516,947.58 × 107,992.80
  4. Step 4: Simplify right side
    344,631.60x = 55,826,616,617.42
  5. Step 5: Solve for x
    x = 55,826,616,617.42/344,631.60
  6. Step 6: Final answer
    x = 161,989.26

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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.