Home / 191,918.20-287,769.30-73,593.40

Finding the Fourth Proportional to 191,918.20, 287,769.30 and 73,593.40

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Solution

The fourth proportional to 191,918.20, 287,769.30 and 73,593.40 is: 110,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,918.20 : 287,769.30 = 73,593.40 : x
  2. Step 2: Convert to fraction form
    191,918.20/287,769.30 = 73,593.40/x
  3. Step 3: Cross multiply
    191,918.20x = 287,769.30 × 73,593.40
  4. Step 4: Simplify right side
    191,918.20x = 21,177,921,202.62
  5. Step 5: Solve for x
    x = 21,177,921,202.62/191,918.20
  6. Step 6: Final answer
    x = 110,348.69

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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.