Home / 209,684.16-313,003.71-194,072.22

Finding the Fourth Proportional to 209,684.16, 313,003.71 and 194,072.22

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Solution

The fourth proportional to 209,684.16, 313,003.71 and 194,072.22 is: 289,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,684.16 : 313,003.71 = 194,072.22 : x
  2. Step 2: Convert to fraction form
    209,684.16/313,003.71 = 194,072.22/x
  3. Step 3: Cross multiply
    209,684.16x = 313,003.71 × 194,072.22
  4. Step 4: Simplify right side
    209,684.16x = 60,745,324,867.94
  5. Step 5: Solve for x
    x = 60,745,324,867.94/209,684.16
  6. Step 6: Final answer
    x = 289,699.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.