Home / 136,803.04-188,736.24-83,067.68

Finding the Fourth Proportional to 136,803.04, 188,736.24 and 83,067.68

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Solution

The fourth proportional to 136,803.04, 188,736.24 and 83,067.68 is: 114,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,803.04 : 188,736.24 = 83,067.68 : x
  2. Step 2: Convert to fraction form
    136,803.04/188,736.24 = 83,067.68/x
  3. Step 3: Cross multiply
    136,803.04x = 188,736.24 × 83,067.68
  4. Step 4: Simplify right side
    136,803.04x = 15,677,881,588.72
  5. Step 5: Solve for x
    x = 15,677,881,588.72/136,803.04
  6. Step 6: Final answer
    x = 114,601.85

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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.