Home / 130,625.38-196,025.28-47,519.38

Finding the Fourth Proportional to 130,625.38, 196,025.28 and 47,519.38

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Solution

The fourth proportional to 130,625.38, 196,025.28 and 47,519.38 is: 71,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,625.38 : 196,025.28 = 47,519.38 : x
  2. Step 2: Convert to fraction form
    130,625.38/196,025.28 = 47,519.38/x
  3. Step 3: Cross multiply
    130,625.38x = 196,025.28 × 47,519.38
  4. Step 4: Simplify right side
    130,625.38x = 9,314,999,769.93
  5. Step 5: Solve for x
    x = 9,314,999,769.93/130,625.38
  6. Step 6: Final answer
    x = 71,310.80

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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.