Home / 133,826.40-200,545.20-113,997.60

Finding the Fourth Proportional to 133,826.40, 200,545.20 and 113,997.60

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Solution

The fourth proportional to 133,826.40, 200,545.20 and 113,997.60 is: 170,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,826.40 : 200,545.20 = 113,997.60 : x
  2. Step 2: Convert to fraction form
    133,826.40/200,545.20 = 113,997.60/x
  3. Step 3: Cross multiply
    133,826.40x = 200,545.20 × 113,997.60
  4. Step 4: Simplify right side
    133,826.40x = 22,861,671,491.52
  5. Step 5: Solve for x
    x = 22,861,671,491.52/133,826.40
  6. Step 6: Final answer
    x = 170,830.80

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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.