Home / 156,660.72-234,982.80-96,700.56

Finding the Fourth Proportional to 156,660.72, 234,982.80 and 96,700.56

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Solution

The fourth proportional to 156,660.72, 234,982.80 and 96,700.56 is: 145,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,660.72 : 234,982.80 = 96,700.56 : x
  2. Step 2: Convert to fraction form
    156,660.72/234,982.80 = 96,700.56/x
  3. Step 3: Cross multiply
    156,660.72x = 234,982.80 × 96,700.56
  4. Step 4: Simplify right side
    156,660.72x = 22,722,968,350.37
  5. Step 5: Solve for x
    x = 22,722,968,350.37/156,660.72
  6. Step 6: Final answer
    x = 145,045.73

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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.