Home / 139,315.24-192,255.07-75,653.04

Finding the Fourth Proportional to 139,315.24, 192,255.07 and 75,653.04

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Solution

The fourth proportional to 139,315.24, 192,255.07 and 75,653.04 is: 104,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,315.24 : 192,255.07 = 75,653.04 : x
  2. Step 2: Convert to fraction form
    139,315.24/192,255.07 = 75,653.04/x
  3. Step 3: Cross multiply
    139,315.24x = 192,255.07 × 75,653.04
  4. Step 4: Simplify right side
    139,315.24x = 14,544,680,093.15
  5. Step 5: Solve for x
    x = 14,544,680,093.15/139,315.24
  6. Step 6: Final answer
    x = 104,401.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.