Home / 319,164.35-440,367.32-205,850.75

Finding the Fourth Proportional to 319,164.35, 440,367.32 and 205,850.75

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Solution

The fourth proportional to 319,164.35, 440,367.32 and 205,850.75 is: 284,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,164.35 : 440,367.32 = 205,850.75 : x
  2. Step 2: Convert to fraction form
    319,164.35/440,367.32 = 205,850.75/x
  3. Step 3: Cross multiply
    319,164.35x = 440,367.32 × 205,850.75
  4. Step 4: Simplify right side
    319,164.35x = 90,649,942,068.24
  5. Step 5: Solve for x
    x = 90,649,942,068.24/319,164.35
  6. Step 6: Final answer
    x = 284,022.77

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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.