Home / 415,838.27-623,834.36-131,600.36

Finding the Fourth Proportional to 415,838.27, 623,834.36 and 131,600.36

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Solution

The fourth proportional to 415,838.27, 623,834.36 and 131,600.36 is: 197,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,838.27 : 623,834.36 = 131,600.36 : x
  2. Step 2: Convert to fraction form
    415,838.27/623,834.36 = 131,600.36/x
  3. Step 3: Cross multiply
    415,838.27x = 623,834.36 × 131,600.36
  4. Step 4: Simplify right side
    415,838.27x = 82,096,826,356.37
  5. Step 5: Solve for x
    x = 82,096,826,356.37/415,838.27
  6. Step 6: Final answer
    x = 197,424.89

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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.