Home / 230,771.12-346,199.40-73,039.28

Finding the Fourth Proportional to 230,771.12, 346,199.40 and 73,039.28

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Solution

The fourth proportional to 230,771.12, 346,199.40 and 73,039.28 is: 109,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,771.12 : 346,199.40 = 73,039.28 : x
  2. Step 2: Convert to fraction form
    230,771.12/346,199.40 = 73,039.28/x
  3. Step 3: Cross multiply
    230,771.12x = 346,199.40 × 73,039.28
  4. Step 4: Simplify right side
    230,771.12x = 25,286,154,912.43
  5. Step 5: Solve for x
    x = 25,286,154,912.43/230,771.12
  6. Step 6: Final answer
    x = 109,572.44

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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.