Home / 104,170.14-143,744.52-58,221.30

Finding the Fourth Proportional to 104,170.14, 143,744.52 and 58,221.30

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Solution

The fourth proportional to 104,170.14, 143,744.52 and 58,221.30 is: 80,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,170.14 : 143,744.52 = 58,221.30 : x
  2. Step 2: Convert to fraction form
    104,170.14/143,744.52 = 58,221.30/x
  3. Step 3: Cross multiply
    104,170.14x = 143,744.52 × 58,221.30
  4. Step 4: Simplify right side
    104,170.14x = 8,368,992,822.28
  5. Step 5: Solve for x
    x = 8,368,992,822.28/104,170.14
  6. Step 6: Final answer
    x = 80,339.65

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Half scale
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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.