Home / 118,318.41-177,372.38-43,421.42

Finding the Fourth Proportional to 118,318.41, 177,372.38 and 43,421.42

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Solution

The fourth proportional to 118,318.41, 177,372.38 and 43,421.42 is: 65,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,318.41 : 177,372.38 = 43,421.42 : x
  2. Step 2: Convert to fraction form
    118,318.41/177,372.38 = 43,421.42/x
  3. Step 3: Cross multiply
    118,318.41x = 177,372.38 × 43,421.42
  4. Step 4: Simplify right side
    118,318.41x = 7,701,759,504.41
  5. Step 5: Solve for x
    x = 7,701,759,504.41/118,318.41
  6. Step 6: Final answer
    x = 65,093.50

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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.