Home / 194,725.80-292,198.05-82,386.90

Finding the Fourth Proportional to 194,725.80, 292,198.05 and 82,386.90

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Solution

The fourth proportional to 194,725.80, 292,198.05 and 82,386.90 is: 123,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,725.80 : 292,198.05 = 82,386.90 : x
  2. Step 2: Convert to fraction form
    194,725.80/292,198.05 = 82,386.90/x
  3. Step 3: Cross multiply
    194,725.80x = 292,198.05 × 82,386.90
  4. Step 4: Simplify right side
    194,725.80x = 24,073,291,525.55
  5. Step 5: Solve for x
    x = 24,073,291,525.55/194,725.80
  6. Step 6: Final answer
    x = 123,626.62

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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.