Home / 156,600.72-234,900.24-38,272.56

Finding the Fourth Proportional to 156,600.72, 234,900.24 and 38,272.56

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Solution

The fourth proportional to 156,600.72, 234,900.24 and 38,272.56 is: 57,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,600.72 : 234,900.24 = 38,272.56 : x
  2. Step 2: Convert to fraction form
    156,600.72/234,900.24 = 38,272.56/x
  3. Step 3: Cross multiply
    156,600.72x = 234,900.24 × 38,272.56
  4. Step 4: Simplify right side
    156,600.72x = 8,990,233,529.41
  5. Step 5: Solve for x
    x = 8,990,233,529.41/156,600.72
  6. Step 6: Final answer
    x = 57,408.63

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1.5x scale

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.