Home / 187,930.13-281,889.72-69,598.85

Finding the Fourth Proportional to 187,930.13, 281,889.72 and 69,598.85

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Solution

The fourth proportional to 187,930.13, 281,889.72 and 69,598.85 is: 104,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,930.13 : 281,889.72 = 69,598.85 : x
  2. Step 2: Convert to fraction form
    187,930.13/281,889.72 = 69,598.85/x
  3. Step 3: Cross multiply
    187,930.13x = 281,889.72 × 69,598.85
  4. Step 4: Simplify right side
    187,930.13x = 19,619,198,929.37
  5. Step 5: Solve for x
    x = 19,619,198,929.37/187,930.13
  6. Step 6: Final answer
    x = 104,396.24

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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.