Home / 352,130.05-485,950.47-199,165.25

Finding the Fourth Proportional to 352,130.05, 485,950.47 and 199,165.25

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Solution

The fourth proportional to 352,130.05, 485,950.47 and 199,165.25 is: 274,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,130.05 : 485,950.47 = 199,165.25 : x
  2. Step 2: Convert to fraction form
    352,130.05/485,950.47 = 199,165.25/x
  3. Step 3: Cross multiply
    352,130.05x = 485,950.47 × 199,165.25
  4. Step 4: Simplify right side
    352,130.05x = 96,784,446,845.17
  5. Step 5: Solve for x
    x = 96,784,446,845.17/352,130.05
  6. Step 6: Final answer
    x = 274,854.27

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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.