Home / 305,454.34-458,241.22-92,239.60

Finding the Fourth Proportional to 305,454.34, 458,241.22 and 92,239.60

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Solution

The fourth proportional to 305,454.34, 458,241.22 and 92,239.60 is: 138,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,454.34 : 458,241.22 = 92,239.60 : x
  2. Step 2: Convert to fraction form
    305,454.34/458,241.22 = 92,239.60/x
  3. Step 3: Cross multiply
    305,454.34x = 458,241.22 × 92,239.60
  4. Step 4: Simplify right side
    305,454.34x = 42,267,986,836.31
  5. Step 5: Solve for x
    x = 42,267,986,836.31/305,454.34
  6. Step 6: Final answer
    x = 138,377.43

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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.