Home / 188,938.35-260,722.89-104,055.39

Finding the Fourth Proportional to 188,938.35, 260,722.89 and 104,055.39

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Solution

The fourth proportional to 188,938.35, 260,722.89 and 104,055.39 is: 143,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,938.35 : 260,722.89 = 104,055.39 : x
  2. Step 2: Convert to fraction form
    188,938.35/260,722.89 = 104,055.39/x
  3. Step 3: Cross multiply
    188,938.35x = 260,722.89 × 104,055.39
  4. Step 4: Simplify right side
    188,938.35x = 27,129,622,000.88
  5. Step 5: Solve for x
    x = 27,129,622,000.88/188,938.35
  6. Step 6: Final answer
    x = 143,589.81

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1.5x scale

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.