Home / 220,120.30-329,305.65-190,863.10

Finding the Fourth Proportional to 220,120.30, 329,305.65 and 190,863.10

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Solution

The fourth proportional to 220,120.30, 329,305.65 and 190,863.10 is: 285,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,120.30 : 329,305.65 = 190,863.10 : x
  2. Step 2: Convert to fraction form
    220,120.30/329,305.65 = 190,863.10/x
  3. Step 3: Cross multiply
    220,120.30x = 329,305.65 × 190,863.10
  4. Step 4: Simplify right side
    220,120.30x = 62,852,297,206.52
  5. Step 5: Solve for x
    x = 62,852,297,206.52/220,120.30
  6. Step 6: Final answer
    x = 285,536.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.