Home / 139,560.14-192,591.18-75,896.58

Finding the Fourth Proportional to 139,560.14, 192,591.18 and 75,896.58

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Solution

The fourth proportional to 139,560.14, 192,591.18 and 75,896.58 is: 104,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,560.14 : 192,591.18 = 75,896.58 : x
  2. Step 2: Convert to fraction form
    139,560.14/192,591.18 = 75,896.58/x
  3. Step 3: Cross multiply
    139,560.14x = 192,591.18 × 75,896.58
  4. Step 4: Simplify right side
    139,560.14x = 14,617,011,900.16
  5. Step 5: Solve for x
    x = 14,617,011,900.16/139,560.14
  6. Step 6: Final answer
    x = 104,736.29

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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.