Home / 352,836.86-486,944.51-199,923.66

Finding the Fourth Proportional to 352,836.86, 486,944.51 and 199,923.66

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Solution

The fourth proportional to 352,836.86, 486,944.51 and 199,923.66 is: 275,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,836.86 : 486,944.51 = 199,923.66 : x
  2. Step 2: Convert to fraction form
    352,836.86/486,944.51 = 199,923.66/x
  3. Step 3: Cross multiply
    352,836.86x = 486,944.51 × 199,923.66
  4. Step 4: Simplify right side
    352,836.86x = 97,351,727,656.49
  5. Step 5: Solve for x
    x = 97,351,727,656.49/352,836.86
  6. Step 6: Final answer
    x = 275,911.45

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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.