Home / 198,293.37-273,645.59-107,649.51

Finding the Fourth Proportional to 198,293.37, 273,645.59 and 107,649.51

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Solution

The fourth proportional to 198,293.37, 273,645.59 and 107,649.51 is: 148,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,293.37 : 273,645.59 = 107,649.51 : x
  2. Step 2: Convert to fraction form
    198,293.37/273,645.59 = 107,649.51/x
  3. Step 3: Cross multiply
    198,293.37x = 273,645.59 × 107,649.51
  4. Step 4: Simplify right side
    198,293.37x = 29,457,813,138.91
  5. Step 5: Solve for x
    x = 29,457,813,138.91/198,293.37
  6. Step 6: Final answer
    x = 148,556.72

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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.