Home / 139,232.14-192,190.22-82,643.50

Finding the Fourth Proportional to 139,232.14, 192,190.22 and 82,643.50

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Solution

The fourth proportional to 139,232.14, 192,190.22 and 82,643.50 is: 114,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,232.14 : 192,190.22 = 82,643.50 : x
  2. Step 2: Convert to fraction form
    139,232.14/192,190.22 = 82,643.50/x
  3. Step 3: Cross multiply
    139,232.14x = 192,190.22 × 82,643.50
  4. Step 4: Simplify right side
    139,232.14x = 15,883,272,446.57
  5. Step 5: Solve for x
    x = 15,883,272,446.57/139,232.14
  6. Step 6: Final answer
    x = 114,077.63

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1.5x scale

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.