Home / 200,577.91-276,923.37-129,082.18

Finding the Fourth Proportional to 200,577.91, 276,923.37 and 129,082.18

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Solution

The fourth proportional to 200,577.91, 276,923.37 and 129,082.18 is: 178,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,577.91 : 276,923.37 = 129,082.18 : x
  2. Step 2: Convert to fraction form
    200,577.91/276,923.37 = 129,082.18/x
  3. Step 3: Cross multiply
    200,577.91x = 276,923.37 × 129,082.18
  4. Step 4: Simplify right side
    200,577.91x = 35,745,872,292.55
  5. Step 5: Solve for x
    x = 35,745,872,292.55/200,577.91
  6. Step 6: Final answer
    x = 178,214.40

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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.