Home / 227,280.45-313,684.03-136,727.94

Finding the Fourth Proportional to 227,280.45, 313,684.03 and 136,727.94

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Solution

The fourth proportional to 227,280.45, 313,684.03 and 136,727.94 is: 188,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,280.45 : 313,684.03 = 136,727.94 : x
  2. Step 2: Convert to fraction form
    227,280.45/313,684.03 = 136,727.94/x
  3. Step 3: Cross multiply
    227,280.45x = 313,684.03 × 136,727.94
  4. Step 4: Simplify right side
    227,280.45x = 42,889,372,067.29
  5. Step 5: Solve for x
    x = 42,889,372,067.29/227,280.45
  6. Step 6: Final answer
    x = 188,706.82

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1.5x scale

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.