Home / 197,037.28-271,917.96-107,613.28

Finding the Fourth Proportional to 197,037.28, 271,917.96 and 107,613.28

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Solution

The fourth proportional to 197,037.28, 271,917.96 and 107,613.28 is: 148,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,037.28 : 271,917.96 = 107,613.28 : x
  2. Step 2: Convert to fraction form
    197,037.28/271,917.96 = 107,613.28/x
  3. Step 3: Cross multiply
    197,037.28x = 271,917.96 × 107,613.28
  4. Step 4: Simplify right side
    197,037.28x = 29,261,983,566.51
  5. Step 5: Solve for x
    x = 29,261,983,566.51/197,037.28
  6. Step 6: Final answer
    x = 148,509.88

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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.