Home / 194,724.30-292,195.80-82,385.40

Finding the Fourth Proportional to 194,724.30, 292,195.80 and 82,385.40

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Solution

The fourth proportional to 194,724.30, 292,195.80 and 82,385.40 is: 123,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,724.30 : 292,195.80 = 82,385.40 : x
  2. Step 2: Convert to fraction form
    194,724.30/292,195.80 = 82,385.40/x
  3. Step 3: Cross multiply
    194,724.30x = 292,195.80 × 82,385.40
  4. Step 4: Simplify right side
    194,724.30x = 24,072,667,861.32
  5. Step 5: Solve for x
    x = 24,072,667,861.32/194,724.30
  6. Step 6: Final answer
    x = 123,624.36

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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.