Home / 194,785.79-292,309.90-76,443.17

Finding the Fourth Proportional to 194,785.79, 292,309.90 and 76,443.17

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Solution

The fourth proportional to 194,785.79, 292,309.90 and 76,443.17 is: 114,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,785.79 : 292,309.90 = 76,443.17 : x
  2. Step 2: Convert to fraction form
    194,785.79/292,309.90 = 76,443.17/x
  3. Step 3: Cross multiply
    194,785.79x = 292,309.90 × 76,443.17
  4. Step 4: Simplify right side
    194,785.79x = 22,345,093,725.73
  5. Step 5: Solve for x
    x = 22,345,093,725.73/194,785.79
  6. Step 6: Final answer
    x = 114,716.24

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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.