Home / 122,156.15-184,066.45-100,455.65

Finding the Fourth Proportional to 122,156.15, 184,066.45 and 100,455.65

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Solution

The fourth proportional to 122,156.15, 184,066.45 and 100,455.65 is: 151,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,156.15 : 184,066.45 = 100,455.65 : x
  2. Step 2: Convert to fraction form
    122,156.15/184,066.45 = 100,455.65/x
  3. Step 3: Cross multiply
    122,156.15x = 184,066.45 × 100,455.65
  4. Step 4: Simplify right side
    122,156.15x = 18,490,514,375.66
  5. Step 5: Solve for x
    x = 18,490,514,375.66/122,156.15
  6. Step 6: Final answer
    x = 151,367.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.