Home / 209,206.24-313,811.57-82,877.24

Finding the Fourth Proportional to 209,206.24, 313,811.57 and 82,877.24

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Solution

The fourth proportional to 209,206.24, 313,811.57 and 82,877.24 is: 124,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,206.24 : 313,811.57 = 82,877.24 : x
  2. Step 2: Convert to fraction form
    209,206.24/313,811.57 = 82,877.24/x
  3. Step 3: Cross multiply
    209,206.24x = 313,811.57 × 82,877.24
  4. Step 4: Simplify right side
    209,206.24x = 26,007,837,793.39
  5. Step 5: Solve for x
    x = 26,007,837,793.39/209,206.24
  6. Step 6: Final answer
    x = 124,316.74

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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.