Home / 274,709.13-412,204.32-130,777.83

Finding the Fourth Proportional to 274,709.13, 412,204.32 and 130,777.83

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Solution

The fourth proportional to 274,709.13, 412,204.32 and 130,777.83 is: 196,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,709.13 : 412,204.32 = 130,777.83 : x
  2. Step 2: Convert to fraction form
    274,709.13/412,204.32 = 130,777.83/x
  3. Step 3: Cross multiply
    274,709.13x = 412,204.32 × 130,777.83
  4. Step 4: Simplify right side
    274,709.13x = 53,907,186,486.23
  5. Step 5: Solve for x
    x = 53,907,186,486.23/274,709.13
  6. Step 6: Final answer
    x = 196,233.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.