Home / 194,612.20-291,918.30-178,865.80

Finding the Fourth Proportional to 194,612.20, 291,918.30 and 178,865.80

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Solution

The fourth proportional to 194,612.20, 291,918.30 and 178,865.80 is: 268,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,612.20 : 291,918.30 = 178,865.80 : x
  2. Step 2: Convert to fraction form
    194,612.20/291,918.30 = 178,865.80/x
  3. Step 3: Cross multiply
    194,612.20x = 291,918.30 × 178,865.80
  4. Step 4: Simplify right side
    194,612.20x = 52,214,200,264.14
  5. Step 5: Solve for x
    x = 52,214,200,264.14/194,612.20
  6. Step 6: Final answer
    x = 268,298.70

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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.