Home / 261,928.96-361,359.84-148,736.32

Finding the Fourth Proportional to 261,928.96, 361,359.84 and 148,736.32

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Solution

The fourth proportional to 261,928.96, 361,359.84 and 148,736.32 is: 205,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,928.96 : 361,359.84 = 148,736.32 : x
  2. Step 2: Convert to fraction form
    261,928.96/361,359.84 = 148,736.32/x
  3. Step 3: Cross multiply
    261,928.96x = 361,359.84 × 148,736.32
  4. Step 4: Simplify right side
    261,928.96x = 53,747,332,797.39
  5. Step 5: Solve for x
    x = 53,747,332,797.39/261,928.96
  6. Step 6: Final answer
    x = 205,198.13

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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.