Home / 213,876.41-295,142.81-123,232.55

Finding the Fourth Proportional to 213,876.41, 295,142.81 and 123,232.55

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Solution

The fourth proportional to 213,876.41, 295,142.81 and 123,232.55 is: 170,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,876.41 : 295,142.81 = 123,232.55 : x
  2. Step 2: Convert to fraction form
    213,876.41/295,142.81 = 123,232.55/x
  3. Step 3: Cross multiply
    213,876.41x = 295,142.81 × 123,232.55
  4. Step 4: Simplify right side
    213,876.41x = 36,371,198,998.59
  5. Step 5: Solve for x
    x = 36,371,198,998.59/213,876.41
  6. Step 6: Final answer
    x = 170,057.09

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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.