Home / 352,064.12-485,848.59-190,919.12

Finding the Fourth Proportional to 352,064.12, 485,848.59 and 190,919.12

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Solution

The fourth proportional to 352,064.12, 485,848.59 and 190,919.12 is: 263,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,064.12 : 485,848.59 = 190,919.12 : x
  2. Step 2: Convert to fraction form
    352,064.12/485,848.59 = 190,919.12/x
  3. Step 3: Cross multiply
    352,064.12x = 485,848.59 × 190,919.12
  4. Step 4: Simplify right side
    352,064.12x = 92,757,782,826.80
  5. Step 5: Solve for x
    x = 92,757,782,826.80/352,064.12
  6. Step 6: Final answer
    x = 263,468.44

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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.