Home / 118,716.11-178,083.42-34,477.65

Finding the Fourth Proportional to 118,716.11, 178,083.42 and 34,477.65

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Solution

The fourth proportional to 118,716.11, 178,083.42 and 34,477.65 is: 51,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,716.11 : 178,083.42 = 34,477.65 : x
  2. Step 2: Convert to fraction form
    118,716.11/178,083.42 = 34,477.65/x
  3. Step 3: Cross multiply
    118,716.11x = 178,083.42 × 34,477.65
  4. Step 4: Simplify right side
    118,716.11x = 6,139,897,825.56
  5. Step 5: Solve for x
    x = 6,139,897,825.56/118,716.11
  6. Step 6: Final answer
    x = 51,719.16

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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.