Home / 151,516.40-209,086.33-82,604.37

Finding the Fourth Proportional to 151,516.40, 209,086.33 and 82,604.37

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Solution

The fourth proportional to 151,516.40, 209,086.33 and 82,604.37 is: 113,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,516.40 : 209,086.33 = 82,604.37 : x
  2. Step 2: Convert to fraction form
    151,516.40/209,086.33 = 82,604.37/x
  3. Step 3: Cross multiply
    151,516.40x = 209,086.33 × 82,604.37
  4. Step 4: Simplify right side
    151,516.40x = 17,271,444,565.26
  5. Step 5: Solve for x
    x = 17,271,444,565.26/151,516.40
  6. Step 6: Final answer
    x = 113,990.59

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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.