Home / 397,247.66-595,889.61-131,031.38

Finding the Fourth Proportional to 397,247.66, 595,889.61 and 131,031.38

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Solution

The fourth proportional to 397,247.66, 595,889.61 and 131,031.38 is: 196,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,247.66 : 595,889.61 = 131,031.38 : x
  2. Step 2: Convert to fraction form
    397,247.66/595,889.61 = 131,031.38/x
  3. Step 3: Cross multiply
    397,247.66x = 595,889.61 × 131,031.38
  4. Step 4: Simplify right side
    397,247.66x = 78,080,237,925.96
  5. Step 5: Solve for x
    x = 78,080,237,925.96/397,247.66
  6. Step 6: Final answer
    x = 196,553.05

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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.