Home / 131,435.52-197,136.64-36,672.96

Finding the Fourth Proportional to 131,435.52, 197,136.64 and 36,672.96

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Solution

The fourth proportional to 131,435.52, 197,136.64 and 36,672.96 is: 55,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,435.52 : 197,136.64 = 36,672.96 : x
  2. Step 2: Convert to fraction form
    131,435.52/197,136.64 = 36,672.96/x
  3. Step 3: Cross multiply
    131,435.52x = 197,136.64 × 36,672.96
  4. Step 4: Simplify right side
    131,435.52x = 7,229,584,113.25
  5. Step 5: Solve for x
    x = 7,229,584,113.25/131,435.52
  6. Step 6: Final answer
    x = 55,004.80

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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.