Home / 130,721.32-196,116-37,234.36

Finding the Fourth Proportional to 130,721.32, 196,116 and 37,234.36

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Solution

The fourth proportional to 130,721.32, 196,116 and 37,234.36 is: 55,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,721.32 : 196,116 = 37,234.36 : x
  2. Step 2: Convert to fraction form
    130,721.32/196,116 = 37,234.36/x
  3. Step 3: Cross multiply
    130,721.32x = 196,116 × 37,234.36
  4. Step 4: Simplify right side
    130,721.32x = 7,302,253,745.76
  5. Step 5: Solve for x
    x = 7,302,253,745.76/130,721.32
  6. Step 6: Final answer
    x = 55,861.23

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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.