Home / 352,089.11-485,907.08-199,127.34

Finding the Fourth Proportional to 352,089.11, 485,907.08 and 199,127.34

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Solution

The fourth proportional to 352,089.11, 485,907.08 and 199,127.34 is: 274,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,089.11 : 485,907.08 = 199,127.34 : x
  2. Step 2: Convert to fraction form
    352,089.11/485,907.08 = 199,127.34/x
  3. Step 3: Cross multiply
    352,089.11x = 485,907.08 × 199,127.34
  4. Step 4: Simplify right side
    352,089.11x = 96,757,383,331.93
  5. Step 5: Solve for x
    x = 96,757,383,331.93/352,089.11
  6. Step 6: Final answer
    x = 274,809.36

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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.