Home / 260,236.73-390,089.19-147,679.25

Finding the Fourth Proportional to 260,236.73, 390,089.19 and 147,679.25

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Solution

The fourth proportional to 260,236.73, 390,089.19 and 147,679.25 is: 221,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,236.73 : 390,089.19 = 147,679.25 : x
  2. Step 2: Convert to fraction form
    260,236.73/390,089.19 = 147,679.25/x
  3. Step 3: Cross multiply
    260,236.73x = 390,089.19 × 147,679.25
  4. Step 4: Simplify right side
    260,236.73x = 57,608,079,012.31
  5. Step 5: Solve for x
    x = 57,608,079,012.31/260,236.73
  6. Step 6: Final answer
    x = 221,367.98

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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.