Home / 136,800.54-188,863.26-104,279.84

Finding the Fourth Proportional to 136,800.54, 188,863.26 and 104,279.84

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Solution

The fourth proportional to 136,800.54, 188,863.26 and 104,279.84 is: 143,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,800.54 : 188,863.26 = 104,279.84 : x
  2. Step 2: Convert to fraction form
    136,800.54/188,863.26 = 104,279.84/x
  3. Step 3: Cross multiply
    136,800.54x = 188,863.26 × 104,279.84
  4. Step 4: Simplify right side
    136,800.54x = 19,694,630,534.68
  5. Step 5: Solve for x
    x = 19,694,630,534.68/136,800.54
  6. Step 6: Final answer
    x = 143,966.03

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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.