Home / 308,788.20-463,314.76-119,381.60

Finding the Fourth Proportional to 308,788.20, 463,314.76 and 119,381.60

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Solution

The fourth proportional to 308,788.20, 463,314.76 and 119,381.60 is: 179,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,788.20 : 463,314.76 = 119,381.60 : x
  2. Step 2: Convert to fraction form
    308,788.20/463,314.76 = 119,381.60/x
  3. Step 3: Cross multiply
    308,788.20x = 463,314.76 × 119,381.60
  4. Step 4: Simplify right side
    308,788.20x = 55,311,257,352.42
  5. Step 5: Solve for x
    x = 55,311,257,352.42/308,788.20
  6. Step 6: Final answer
    x = 179,123.61

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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.