Home / 200,463.21-276,534.34-123,957.85

Finding the Fourth Proportional to 200,463.21, 276,534.34 and 123,957.85

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Solution

The fourth proportional to 200,463.21, 276,534.34 and 123,957.85 is: 170,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,463.21 : 276,534.34 = 123,957.85 : x
  2. Step 2: Convert to fraction form
    200,463.21/276,534.34 = 123,957.85/x
  3. Step 3: Cross multiply
    200,463.21x = 276,534.34 × 123,957.85
  4. Step 4: Simplify right side
    200,463.21x = 34,278,602,237.57
  5. Step 5: Solve for x
    x = 34,278,602,237.57/200,463.21
  6. Step 6: Final answer
    x = 170,996.97

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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.