Home / 260,372.59-359,297.23-145,631.36

Finding the Fourth Proportional to 260,372.59, 359,297.23 and 145,631.36

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Solution

The fourth proportional to 260,372.59, 359,297.23 and 145,631.36 is: 200,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,372.59 : 359,297.23 = 145,631.36 : x
  2. Step 2: Convert to fraction form
    260,372.59/359,297.23 = 145,631.36/x
  3. Step 3: Cross multiply
    260,372.59x = 359,297.23 × 145,631.36
  4. Step 4: Simplify right side
    260,372.59x = 52,324,942,986.81
  5. Step 5: Solve for x
    x = 52,324,942,986.81/260,372.59
  6. Step 6: Final answer
    x = 200,961.79

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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.