Home / 197,616.60-272,747.81-112,733.64

Finding the Fourth Proportional to 197,616.60, 272,747.81 and 112,733.64

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Solution

The fourth proportional to 197,616.60, 272,747.81 and 112,733.64 is: 155,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,616.60 : 272,747.81 = 112,733.64 : x
  2. Step 2: Convert to fraction form
    197,616.60/272,747.81 = 112,733.64/x
  3. Step 3: Cross multiply
    197,616.60x = 272,747.81 × 112,733.64
  4. Step 4: Simplify right side
    197,616.60x = 30,747,853,705.16
  5. Step 5: Solve for x
    x = 30,747,853,705.16/197,616.60
  6. Step 6: Final answer
    x = 155,593.48

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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.