Home / 295,748.12-443,622.18-71,108.57

Finding the Fourth Proportional to 295,748.12, 443,622.18 and 71,108.57

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Solution

The fourth proportional to 295,748.12, 443,622.18 and 71,108.57 is: 106,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,748.12 : 443,622.18 = 71,108.57 : x
  2. Step 2: Convert to fraction form
    295,748.12/443,622.18 = 71,108.57/x
  3. Step 3: Cross multiply
    295,748.12x = 443,622.18 × 71,108.57
  4. Step 4: Simplify right side
    295,748.12x = 31,545,336,621.97
  5. Step 5: Solve for x
    x = 31,545,336,621.97/295,748.12
  6. Step 6: Final answer
    x = 106,662.85

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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.