Home / 136,588.14-188,504.07-82,886.82

Finding the Fourth Proportional to 136,588.14, 188,504.07 and 82,886.82

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Solution

The fourth proportional to 136,588.14, 188,504.07 and 82,886.82 is: 114,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,588.14 : 188,504.07 = 82,886.82 : x
  2. Step 2: Convert to fraction form
    136,588.14/188,504.07 = 82,886.82/x
  3. Step 3: Cross multiply
    136,588.14x = 188,504.07 × 82,886.82
  4. Step 4: Simplify right side
    136,588.14x = 15,624,502,919.36
  5. Step 5: Solve for x
    x = 15,624,502,919.36/136,588.14
  6. Step 6: Final answer
    x = 114,391.36

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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.