Home / 209,194.37-313,666.82-82,852.74

Finding the Fourth Proportional to 209,194.37, 313,666.82 and 82,852.74

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Solution

The fourth proportional to 209,194.37, 313,666.82 and 82,852.74 is: 124,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,194.37 : 313,666.82 = 82,852.74 : x
  2. Step 2: Convert to fraction form
    209,194.37/313,666.82 = 82,852.74/x
  3. Step 3: Cross multiply
    209,194.37x = 313,666.82 × 82,852.74
  4. Step 4: Simplify right side
    209,194.37x = 25,988,155,484.09
  5. Step 5: Solve for x
    x = 25,988,155,484.09/209,194.37
  6. Step 6: Final answer
    x = 124,229.71

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1.5x scale

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.