Home / 190,708.40-263,163-110,099.12

Finding the Fourth Proportional to 190,708.40, 263,163 and 110,099.12

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Solution

The fourth proportional to 190,708.40, 263,163 and 110,099.12 is: 151,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,708.40 : 263,163 = 110,099.12 : x
  2. Step 2: Convert to fraction form
    190,708.40/263,163 = 110,099.12/x
  3. Step 3: Cross multiply
    190,708.40x = 263,163 × 110,099.12
  4. Step 4: Simplify right side
    190,708.40x = 28,974,014,716.56
  5. Step 5: Solve for x
    x = 28,974,014,716.56/190,708.40
  6. Step 6: Final answer
    x = 151,928.36

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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.