Home / 295,771.20-443,656.45-71,131.47

Finding the Fourth Proportional to 295,771.20, 443,656.45 and 71,131.47

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Solution

The fourth proportional to 295,771.20, 443,656.45 and 71,131.47 is: 106,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,771.20 : 443,656.45 = 71,131.47 : x
  2. Step 2: Convert to fraction form
    295,771.20/443,656.45 = 71,131.47/x
  3. Step 3: Cross multiply
    295,771.20x = 443,656.45 × 71,131.47
  4. Step 4: Simplify right side
    295,771.20x = 31,557,935,463.48
  5. Step 5: Solve for x
    x = 31,557,935,463.48/295,771.20
  6. Step 6: Final answer
    x = 106,697.12

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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.