Home / 197,972.93-273,199.29-111,930.50

Finding the Fourth Proportional to 197,972.93, 273,199.29 and 111,930.50

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Solution

The fourth proportional to 197,972.93, 273,199.29 and 111,930.50 is: 154,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,972.93 : 273,199.29 = 111,930.50 : x
  2. Step 2: Convert to fraction form
    197,972.93/273,199.29 = 111,930.50/x
  3. Step 3: Cross multiply
    197,972.93x = 273,199.29 × 111,930.50
  4. Step 4: Simplify right side
    197,972.93x = 30,579,333,129.35
  5. Step 5: Solve for x
    x = 30,579,333,129.35/197,972.93
  6. Step 6: Final answer
    x = 154,462.19

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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.