Home / 279,923.16-419,884.76-92,934.66

Finding the Fourth Proportional to 279,923.16, 419,884.76 and 92,934.66

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Solution

The fourth proportional to 279,923.16, 419,884.76 and 92,934.66 is: 139,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,923.16 : 419,884.76 = 92,934.66 : x
  2. Step 2: Convert to fraction form
    279,923.16/419,884.76 = 92,934.66/x
  3. Step 3: Cross multiply
    279,923.16x = 419,884.76 × 92,934.66
  4. Step 4: Simplify right side
    279,923.16x = 39,021,847,409.78
  5. Step 5: Solve for x
    x = 39,021,847,409.78/279,923.16
  6. Step 6: Final answer
    x = 139,402.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.