Home / 194,869.20-292,085.10-82,530.30

Finding the Fourth Proportional to 194,869.20, 292,085.10 and 82,530.30

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Solution

The fourth proportional to 194,869.20, 292,085.10 and 82,530.30 is: 123,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,869.20 : 292,085.10 = 82,530.30 : x
  2. Step 2: Convert to fraction form
    194,869.20/292,085.10 = 82,530.30/x
  3. Step 3: Cross multiply
    194,869.20x = 292,085.10 × 82,530.30
  4. Step 4: Simplify right side
    194,869.20x = 24,105,870,928.53
  5. Step 5: Solve for x
    x = 24,105,870,928.53/194,869.20
  6. Step 6: Final answer
    x = 123,702.83

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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.