Home / 215,736.68-297,650.64-125,074.56

Finding the Fourth Proportional to 215,736.68, 297,650.64 and 125,074.56

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Solution

The fourth proportional to 215,736.68, 297,650.64 and 125,074.56 is: 172,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,736.68 : 297,650.64 = 125,074.56 : x
  2. Step 2: Convert to fraction form
    215,736.68/297,650.64 = 125,074.56/x
  3. Step 3: Cross multiply
    215,736.68x = 297,650.64 × 125,074.56
  4. Step 4: Simplify right side
    215,736.68x = 37,228,521,343.47
  5. Step 5: Solve for x
    x = 37,228,521,343.47/215,736.68
  6. Step 6: Final answer
    x = 172,564.63

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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.