Home / 361,261.12-498,540.30-200,126.61

Finding the Fourth Proportional to 361,261.12, 498,540.30 and 200,126.61

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Solution

The fourth proportional to 361,261.12, 498,540.30 and 200,126.61 is: 276,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,261.12 : 498,540.30 = 200,126.61 : x
  2. Step 2: Convert to fraction form
    361,261.12/498,540.30 = 200,126.61/x
  3. Step 3: Cross multiply
    361,261.12x = 498,540.30 × 200,126.61
  4. Step 4: Simplify right side
    361,261.12x = 99,771,180,187.38
  5. Step 5: Solve for x
    x = 99,771,180,187.38/361,261.12
  6. Step 6: Final answer
    x = 276,174.70

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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.