Home / 353,131.56-487,311.30-200,183.85

Finding the Fourth Proportional to 353,131.56, 487,311.30 and 200,183.85

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Solution

The fourth proportional to 353,131.56, 487,311.30 and 200,183.85 is: 276,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,131.56 : 487,311.30 = 200,183.85 : x
  2. Step 2: Convert to fraction form
    353,131.56/487,311.30 = 200,183.85/x
  3. Step 3: Cross multiply
    353,131.56x = 487,311.30 × 200,183.85
  4. Step 4: Simplify right side
    353,131.56x = 97,551,852,182.51
  5. Step 5: Solve for x
    x = 97,551,852,182.51/353,131.56
  6. Step 6: Final answer
    x = 276,247.90

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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.