Home / 309,994.24-465,008.68-96,791.60

Finding the Fourth Proportional to 309,994.24, 465,008.68 and 96,791.60

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Solution

The fourth proportional to 309,994.24, 465,008.68 and 96,791.60 is: 145,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,994.24 : 465,008.68 = 96,791.60 : x
  2. Step 2: Convert to fraction form
    309,994.24/465,008.68 = 96,791.60/x
  3. Step 3: Cross multiply
    309,994.24x = 465,008.68 × 96,791.60
  4. Step 4: Simplify right side
    309,994.24x = 45,008,931,826.04
  5. Step 5: Solve for x
    x = 45,008,931,826.04/309,994.24
  6. Step 6: Final answer
    x = 145,192.80

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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.