Home / 197,724.70-272,856.72-107,079.93

Finding the Fourth Proportional to 197,724.70, 272,856.72 and 107,079.93

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Solution

The fourth proportional to 197,724.70, 272,856.72 and 107,079.93 is: 147,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,724.70 : 272,856.72 = 107,079.93 : x
  2. Step 2: Convert to fraction form
    197,724.70/272,856.72 = 107,079.93/x
  3. Step 3: Cross multiply
    197,724.70x = 272,856.72 × 107,079.93
  4. Step 4: Simplify right side
    197,724.70x = 29,217,477,942.23
  5. Step 5: Solve for x
    x = 29,217,477,942.23/197,724.70
  6. Step 6: Final answer
    x = 147,768.48

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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.