Home / 352,850.51-486,934.90-199,917.02

Finding the Fourth Proportional to 352,850.51, 486,934.90 and 199,917.02

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Solution

The fourth proportional to 352,850.51, 486,934.90 and 199,917.02 is: 275,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,850.51 : 486,934.90 = 199,917.02 : x
  2. Step 2: Convert to fraction form
    352,850.51/486,934.90 = 199,917.02/x
  3. Step 3: Cross multiply
    352,850.51x = 486,934.90 × 199,917.02
  4. Step 4: Simplify right side
    352,850.51x = 97,346,574,859.54
  5. Step 5: Solve for x
    x = 97,346,574,859.54/352,850.51
  6. Step 6: Final answer
    x = 275,886.17

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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.