Home / 197,716.89-272,838.29-111,693.52

Finding the Fourth Proportional to 197,716.89, 272,838.29 and 111,693.52

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Solution

The fourth proportional to 197,716.89, 272,838.29 and 111,693.52 is: 154,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,716.89 : 272,838.29 = 111,693.52 : x
  2. Step 2: Convert to fraction form
    197,716.89/272,838.29 = 111,693.52/x
  3. Step 3: Cross multiply
    197,716.89x = 272,838.29 × 111,693.52
  4. Step 4: Simplify right side
    197,716.89x = 30,474,269,000.88
  5. Step 5: Solve for x
    x = 30,474,269,000.88/197,716.89
  6. Step 6: Final answer
    x = 154,130.83

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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.