Home / 131,295.89-196,816.30-104,576.69

Finding the Fourth Proportional to 131,295.89, 196,816.30 and 104,576.69

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Solution

The fourth proportional to 131,295.89, 196,816.30 and 104,576.69 is: 156,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,295.89 : 196,816.30 = 104,576.69 : x
  2. Step 2: Convert to fraction form
    131,295.89/196,816.30 = 104,576.69/x
  3. Step 3: Cross multiply
    131,295.89x = 196,816.30 × 104,576.69
  4. Step 4: Simplify right side
    131,295.89x = 20,582,395,946.52
  5. Step 5: Solve for x
    x = 20,582,395,946.52/131,295.89
  6. Step 6: Final answer
    x = 156,763.45

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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.