Home / 190,310.67-262,656.69-109,722.42

Finding the Fourth Proportional to 190,310.67, 262,656.69 and 109,722.42

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Solution

The fourth proportional to 190,310.67, 262,656.69 and 109,722.42 is: 151,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,310.67 : 262,656.69 = 109,722.42 : x
  2. Step 2: Convert to fraction form
    190,310.67/262,656.69 = 109,722.42/x
  3. Step 3: Cross multiply
    190,310.67x = 262,656.69 × 109,722.42
  4. Step 4: Simplify right side
    190,310.67x = 28,819,327,655.99
  5. Step 5: Solve for x
    x = 28,819,327,655.99/190,310.67
  6. Step 6: Final answer
    x = 151,433.06

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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.