Home / 209,351.76-314,131.53-82,989.33

Finding the Fourth Proportional to 209,351.76, 314,131.53 and 82,989.33

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Solution

The fourth proportional to 209,351.76, 314,131.53 and 82,989.33 is: 124,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,351.76 : 314,131.53 = 82,989.33 : x
  2. Step 2: Convert to fraction form
    209,351.76/314,131.53 = 82,989.33/x
  3. Step 3: Cross multiply
    209,351.76x = 314,131.53 × 82,989.33
  4. Step 4: Simplify right side
    209,351.76x = 26,069,565,206.57
  5. Step 5: Solve for x
    x = 26,069,565,206.57/209,351.76
  6. Step 6: Final answer
    x = 124,525.18

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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.