Home / 190,771.88-286,163.28-50,530.50

Finding the Fourth Proportional to 190,771.88, 286,163.28 and 50,530.50

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Solution

The fourth proportional to 190,771.88, 286,163.28 and 50,530.50 is: 75,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,771.88 : 286,163.28 = 50,530.50 : x
  2. Step 2: Convert to fraction form
    190,771.88/286,163.28 = 50,530.50/x
  3. Step 3: Cross multiply
    190,771.88x = 286,163.28 × 50,530.50
  4. Step 4: Simplify right side
    190,771.88x = 14,459,973,620.04
  5. Step 5: Solve for x
    x = 14,459,973,620.04/190,771.88
  6. Step 6: Final answer
    x = 75,797.20

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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.