Home / 197,696.56-272,840.82-112,826.38

Finding the Fourth Proportional to 197,696.56, 272,840.82 and 112,826.38

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Solution

The fourth proportional to 197,696.56, 272,840.82 and 112,826.38 is: 155,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,696.56 : 272,840.82 = 112,826.38 : x
  2. Step 2: Convert to fraction form
    197,696.56/272,840.82 = 112,826.38/x
  3. Step 3: Cross multiply
    197,696.56x = 272,840.82 × 112,826.38
  4. Step 4: Simplify right side
    197,696.56x = 30,783,642,036.83
  5. Step 5: Solve for x
    x = 30,783,642,036.83/197,696.56
  6. Step 6: Final answer
    x = 155,711.57

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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.