Home / 319,738.38-441,370.36-218,099.34

Finding the Fourth Proportional to 319,738.38, 441,370.36 and 218,099.34

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Solution

The fourth proportional to 319,738.38, 441,370.36 and 218,099.34 is: 301,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,738.38 : 441,370.36 = 218,099.34 : x
  2. Step 2: Convert to fraction form
    319,738.38/441,370.36 = 218,099.34/x
  3. Step 3: Cross multiply
    319,738.38x = 441,370.36 × 218,099.34
  4. Step 4: Simplify right side
    319,738.38x = 96,262,584,211.56
  5. Step 5: Solve for x
    x = 96,262,584,211.56/319,738.38
  6. Step 6: Final answer
    x = 301,066.72

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1.5x scale

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.