Home / 352,203.78-486,030.18-197,155.02

Finding the Fourth Proportional to 352,203.78, 486,030.18 and 197,155.02

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Solution

The fourth proportional to 352,203.78, 486,030.18 and 197,155.02 is: 272,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,203.78 : 486,030.18 = 197,155.02 : x
  2. Step 2: Convert to fraction form
    352,203.78/486,030.18 = 197,155.02/x
  3. Step 3: Cross multiply
    352,203.78x = 486,030.18 × 197,155.02
  4. Step 4: Simplify right side
    352,203.78x = 95,823,289,858.50
  5. Step 5: Solve for x
    x = 95,823,289,858.50/352,203.78
  6. Step 6: Final answer
    x = 272,067.75

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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.