Home / 187,268.80-280,974.12-112,441.24

Finding the Fourth Proportional to 187,268.80, 280,974.12 and 112,441.24

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Solution

The fourth proportional to 187,268.80, 280,974.12 and 112,441.24 is: 168,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,268.80 : 280,974.12 = 112,441.24 : x
  2. Step 2: Convert to fraction form
    187,268.80/280,974.12 = 112,441.24/x
  3. Step 3: Cross multiply
    187,268.80x = 280,974.12 × 112,441.24
  4. Step 4: Simplify right side
    187,268.80x = 31,593,078,460.71
  5. Step 5: Solve for x
    x = 31,593,078,460.71/187,268.80
  6. Step 6: Final answer
    x = 168,704.44

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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.