Home / 401,122.43-601,483.32-131,215.34

Finding the Fourth Proportional to 401,122.43, 601,483.32 and 131,215.34

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Solution

The fourth proportional to 401,122.43, 601,483.32 and 131,215.34 is: 196,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,122.43 : 601,483.32 = 131,215.34 : x
  2. Step 2: Convert to fraction form
    401,122.43/601,483.32 = 131,215.34/x
  3. Step 3: Cross multiply
    401,122.43x = 601,483.32 × 131,215.34
  4. Step 4: Simplify right side
    401,122.43x = 78,923,838,338.13
  5. Step 5: Solve for x
    x = 78,923,838,338.13/401,122.43
  6. Step 6: Final answer
    x = 196,757.48

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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.