Home / 352,002.03-485,763.84-190,857.12

Finding the Fourth Proportional to 352,002.03, 485,763.84 and 190,857.12

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Solution

The fourth proportional to 352,002.03, 485,763.84 and 190,857.12 is: 263,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,002.03 : 485,763.84 = 190,857.12 : x
  2. Step 2: Convert to fraction form
    352,002.03/485,763.84 = 190,857.12/x
  3. Step 3: Cross multiply
    352,002.03x = 485,763.84 × 190,857.12
  4. Step 4: Simplify right side
    352,002.03x = 92,711,487,502.54
  5. Step 5: Solve for x
    x = 92,711,487,502.54/352,002.03
  6. Step 6: Final answer
    x = 263,383.39

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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.