Home / 200,155.14-276,440.85-136,382.22

Finding the Fourth Proportional to 200,155.14, 276,440.85 and 136,382.22

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Solution

The fourth proportional to 200,155.14, 276,440.85 and 136,382.22 is: 188,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,155.14 : 276,440.85 = 136,382.22 : x
  2. Step 2: Convert to fraction form
    200,155.14/276,440.85 = 136,382.22/x
  3. Step 3: Cross multiply
    200,155.14x = 276,440.85 × 136,382.22
  4. Step 4: Simplify right side
    200,155.14x = 37,701,616,821.69
  5. Step 5: Solve for x
    x = 37,701,616,821.69/200,155.14
  6. Step 6: Final answer
    x = 188,361.97

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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.