Home / 186,120.08-256,934.94-114,561.44

Finding the Fourth Proportional to 186,120.08, 256,934.94 and 114,561.44

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Solution

The fourth proportional to 186,120.08, 256,934.94 and 114,561.44 is: 158,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,120.08 : 256,934.94 = 114,561.44 : x
  2. Step 2: Convert to fraction form
    186,120.08/256,934.94 = 114,561.44/x
  3. Step 3: Cross multiply
    186,120.08x = 256,934.94 × 114,561.44
  4. Step 4: Simplify right side
    186,120.08x = 29,434,836,712.71
  5. Step 5: Solve for x
    x = 29,434,836,712.71/186,120.08
  6. Step 6: Final answer
    x = 158,149.71

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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.