Home / 156,141.42-215,296.83-124,311.66

Finding the Fourth Proportional to 156,141.42, 215,296.83 and 124,311.66

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Solution

The fourth proportional to 156,141.42, 215,296.83 and 124,311.66 is: 171,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,141.42 : 215,296.83 = 124,311.66 : x
  2. Step 2: Convert to fraction form
    156,141.42/215,296.83 = 124,311.66/x
  3. Step 3: Cross multiply
    156,141.42x = 215,296.83 × 124,311.66
  4. Step 4: Simplify right side
    156,141.42x = 26,763,906,330.04
  5. Step 5: Solve for x
    x = 26,763,906,330.04/156,141.42
  6. Step 6: Final answer
    x = 171,408.11

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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.