Home / 192,207.62-265,176.24-120,561.50

Finding the Fourth Proportional to 192,207.62, 265,176.24 and 120,561.50

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Solution

The fourth proportional to 192,207.62, 265,176.24 and 120,561.50 is: 166,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,207.62 : 265,176.24 = 120,561.50 : x
  2. Step 2: Convert to fraction form
    192,207.62/265,176.24 = 120,561.50/x
  3. Step 3: Cross multiply
    192,207.62x = 265,176.24 × 120,561.50
  4. Step 4: Simplify right side
    192,207.62x = 31,970,045,258.76
  5. Step 5: Solve for x
    x = 31,970,045,258.76/192,207.62
  6. Step 6: Final answer
    x = 166,330.79

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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.