Home / 139,659.26-192,733.83-76,001.16

Finding the Fourth Proportional to 139,659.26, 192,733.83 and 76,001.16

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Solution

The fourth proportional to 139,659.26, 192,733.83 and 76,001.16 is: 104,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,659.26 : 192,733.83 = 76,001.16 : x
  2. Step 2: Convert to fraction form
    139,659.26/192,733.83 = 76,001.16/x
  3. Step 3: Cross multiply
    139,659.26x = 192,733.83 × 76,001.16
  4. Step 4: Simplify right side
    139,659.26x = 14,647,994,651.24
  5. Step 5: Solve for x
    x = 14,647,994,651.24/139,659.26
  6. Step 6: Final answer
    x = 104,883.81

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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.