Home / 118,258.38-177,389.39-39,372.68

Finding the Fourth Proportional to 118,258.38, 177,389.39 and 39,372.68

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Solution

The fourth proportional to 118,258.38, 177,389.39 and 39,372.68 is: 59,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,258.38 : 177,389.39 = 39,372.68 : x
  2. Step 2: Convert to fraction form
    118,258.38/177,389.39 = 39,372.68/x
  3. Step 3: Cross multiply
    118,258.38x = 177,389.39 × 39,372.68
  4. Step 4: Simplify right side
    118,258.38x = 6,984,296,229.77
  5. Step 5: Solve for x
    x = 6,984,296,229.77/118,258.38
  6. Step 6: Final answer
    x = 59,059.63

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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.