Home / 209,230.32-313,839.68-76,113.04

Finding the Fourth Proportional to 209,230.32, 313,839.68 and 76,113.04

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Solution

The fourth proportional to 209,230.32, 313,839.68 and 76,113.04 is: 114,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,230.32 : 313,839.68 = 76,113.04 : x
  2. Step 2: Convert to fraction form
    209,230.32/313,839.68 = 76,113.04/x
  3. Step 3: Cross multiply
    209,230.32x = 313,839.68 × 76,113.04
  4. Step 4: Simplify right side
    209,230.32x = 23,887,292,117.43
  5. Step 5: Solve for x
    x = 23,887,292,117.43/209,230.32
  6. Step 6: Final answer
    x = 114,167.45

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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.