Home / 308,372.60-462,589.68-83,736.68

Finding the Fourth Proportional to 308,372.60, 462,589.68 and 83,736.68

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Solution

The fourth proportional to 308,372.60, 462,589.68 and 83,736.68 is: 125,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,372.60 : 462,589.68 = 83,736.68 : x
  2. Step 2: Convert to fraction form
    308,372.60/462,589.68 = 83,736.68/x
  3. Step 3: Cross multiply
    308,372.60x = 462,589.68 × 83,736.68
  4. Step 4: Simplify right side
    308,372.60x = 38,735,724,005.46
  5. Step 5: Solve for x
    x = 38,735,724,005.46/308,372.60
  6. Step 6: Final answer
    x = 125,613.38

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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.