Home / 193,268.87-266,632.29-129,627.17

Finding the Fourth Proportional to 193,268.87, 266,632.29 and 129,627.17

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Solution

The fourth proportional to 193,268.87, 266,632.29 and 129,627.17 is: 178,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,268.87 : 266,632.29 = 129,627.17 : x
  2. Step 2: Convert to fraction form
    193,268.87/266,632.29 = 129,627.17/x
  3. Step 3: Cross multiply
    193,268.87x = 266,632.29 × 129,627.17
  4. Step 4: Simplify right side
    193,268.87x = 34,562,788,850.03
  5. Step 5: Solve for x
    x = 34,562,788,850.03/193,268.87
  6. Step 6: Final answer
    x = 178,832.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.