Home / 228,286.11-315,027.23-126,311.77

Finding the Fourth Proportional to 228,286.11, 315,027.23 and 126,311.77

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Solution

The fourth proportional to 228,286.11, 315,027.23 and 126,311.77 is: 174,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,286.11 : 315,027.23 = 126,311.77 : x
  2. Step 2: Convert to fraction form
    228,286.11/315,027.23 = 126,311.77/x
  3. Step 3: Cross multiply
    228,286.11x = 315,027.23 × 126,311.77
  4. Step 4: Simplify right side
    228,286.11x = 39,791,646,781.72
  5. Step 5: Solve for x
    x = 39,791,646,781.72/228,286.11
  6. Step 6: Final answer
    x = 174,306.03

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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.