Home / 174,538.62-261,906.66-74,689.92

Finding the Fourth Proportional to 174,538.62, 261,906.66 and 74,689.92

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Solution

The fourth proportional to 174,538.62, 261,906.66 and 74,689.92 is: 112,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,538.62 : 261,906.66 = 74,689.92 : x
  2. Step 2: Convert to fraction form
    174,538.62/261,906.66 = 74,689.92/x
  3. Step 3: Cross multiply
    174,538.62x = 261,906.66 × 74,689.92
  4. Step 4: Simplify right side
    174,538.62x = 19,561,787,482.87
  5. Step 5: Solve for x
    x = 19,561,787,482.87/174,538.62
  6. Step 6: Final answer
    x = 112,077.13

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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.