Home / 299,228.22-412,988.37-178,377.30

Finding the Fourth Proportional to 299,228.22, 412,988.37 and 178,377.30

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Solution

The fourth proportional to 299,228.22, 412,988.37 and 178,377.30 is: 246,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,228.22 : 412,988.37 = 178,377.30 : x
  2. Step 2: Convert to fraction form
    299,228.22/412,988.37 = 178,377.30/x
  3. Step 3: Cross multiply
    299,228.22x = 412,988.37 × 178,377.30
  4. Step 4: Simplify right side
    299,228.22x = 73,667,750,372.00
  5. Step 5: Solve for x
    x = 73,667,750,372.00/299,228.22
  6. Step 6: Final answer
    x = 246,192.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.