Home / 188,868.34-260,638.35-102,827.33

Finding the Fourth Proportional to 188,868.34, 260,638.35 and 102,827.33

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Solution

The fourth proportional to 188,868.34, 260,638.35 and 102,827.33 is: 141,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,868.34 : 260,638.35 = 102,827.33 : x
  2. Step 2: Convert to fraction form
    188,868.34/260,638.35 = 102,827.33/x
  3. Step 3: Cross multiply
    188,868.34x = 260,638.35 × 102,827.33
  4. Step 4: Simplify right side
    188,868.34x = 26,800,744,620.48
  5. Step 5: Solve for x
    x = 26,800,744,620.48/188,868.34
  6. Step 6: Final answer
    x = 141,901.73

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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.