Home / 156,786.66-235,180-51,635.70

Finding the Fourth Proportional to 156,786.66, 235,180 and 51,635.70

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Solution

The fourth proportional to 156,786.66, 235,180 and 51,635.70 is: 77,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,786.66 : 235,180 = 51,635.70 : x
  2. Step 2: Convert to fraction form
    156,786.66/235,180 = 51,635.70/x
  3. Step 3: Cross multiply
    156,786.66x = 235,180 × 51,635.70
  4. Step 4: Simplify right side
    156,786.66x = 12,143,683,926
  5. Step 5: Solve for x
    x = 12,143,683,926/156,786.66
  6. Step 6: Final answer
    x = 77,453.55

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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.