Home / 128,568.67-192,977.39-62,055.62

Finding the Fourth Proportional to 128,568.67, 192,977.39 and 62,055.62

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Solution

The fourth proportional to 128,568.67, 192,977.39 and 62,055.62 is: 93,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,568.67 : 192,977.39 = 62,055.62 : x
  2. Step 2: Convert to fraction form
    128,568.67/192,977.39 = 62,055.62/x
  3. Step 3: Cross multiply
    128,568.67x = 192,977.39 × 62,055.62
  4. Step 4: Simplify right side
    128,568.67x = 11,975,331,147.29
  5. Step 5: Solve for x
    x = 11,975,331,147.29/128,568.67
  6. Step 6: Final answer
    x = 93,143.46

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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.