Home / 156,942.78-235,380.96-51,736.74

Finding the Fourth Proportional to 156,942.78, 235,380.96 and 51,736.74

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Solution

The fourth proportional to 156,942.78, 235,380.96 and 51,736.74 is: 77,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.78 : 235,380.96 = 51,736.74 : x
  2. Step 2: Convert to fraction form
    156,942.78/235,380.96 = 51,736.74/x
  3. Step 3: Cross multiply
    156,942.78x = 235,380.96 × 51,736.74
  4. Step 4: Simplify right side
    156,942.78x = 12,177,843,528.47
  5. Step 5: Solve for x
    x = 12,177,843,528.47/156,942.78
  6. Step 6: Final answer
    x = 77,594.16

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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.