Home / 197,729.59-272,886.32-112,859.41

Finding the Fourth Proportional to 197,729.59, 272,886.32 and 112,859.41

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Solution

The fourth proportional to 197,729.59, 272,886.32 and 112,859.41 is: 155,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,729.59 : 272,886.32 = 112,859.41 : x
  2. Step 2: Convert to fraction form
    197,729.59/272,886.32 = 112,859.41/x
  3. Step 3: Cross multiply
    197,729.59x = 272,886.32 × 112,859.41
  4. Step 4: Simplify right side
    197,729.59x = 30,797,789,072.27
  5. Step 5: Solve for x
    x = 30,797,789,072.27/197,729.59
  6. Step 6: Final answer
    x = 155,757.11

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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.