Home / 393,743.30-590,226.15-156,769.70

Finding the Fourth Proportional to 393,743.30, 590,226.15 and 156,769.70

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Solution

The fourth proportional to 393,743.30, 590,226.15 and 156,769.70 is: 234,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,743.30 : 590,226.15 = 156,769.70 : x
  2. Step 2: Convert to fraction form
    393,743.30/590,226.15 = 156,769.70/x
  3. Step 3: Cross multiply
    393,743.30x = 590,226.15 × 156,769.70
  4. Step 4: Simplify right side
    393,743.30x = 92,529,576,467.66
  5. Step 5: Solve for x
    x = 92,529,576,467.66/393,743.30
  6. Step 6: Final answer
    x = 234,999.75

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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.