Home / 122,814.15-184,229.73-47,909.40

Finding the Fourth Proportional to 122,814.15, 184,229.73 and 47,909.40

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Solution

The fourth proportional to 122,814.15, 184,229.73 and 47,909.40 is: 71,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,814.15 : 184,229.73 = 47,909.40 : x
  2. Step 2: Convert to fraction form
    122,814.15/184,229.73 = 47,909.40/x
  3. Step 3: Cross multiply
    122,814.15x = 184,229.73 × 47,909.40
  4. Step 4: Simplify right side
    122,814.15x = 8,826,335,826.46
  5. Step 5: Solve for x
    x = 8,826,335,826.46/122,814.15
  6. Step 6: Final answer
    x = 71,867.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.