Home / 131,371.63-197,057.34-42,625.15

Finding the Fourth Proportional to 131,371.63, 197,057.34 and 42,625.15

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Solution

The fourth proportional to 131,371.63, 197,057.34 and 42,625.15 is: 63,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,371.63 : 197,057.34 = 42,625.15 : x
  2. Step 2: Convert to fraction form
    131,371.63/197,057.34 = 42,625.15/x
  3. Step 3: Cross multiply
    131,371.63x = 197,057.34 × 42,625.15
  4. Step 4: Simplify right side
    131,371.63x = 8,399,598,183.46
  5. Step 5: Solve for x
    x = 8,399,598,183.46/131,371.63
  6. Step 6: Final answer
    x = 63,937.69

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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.