Home / 188,931.90-260,714.20-104,048.97

Finding the Fourth Proportional to 188,931.90, 260,714.20 and 104,048.97

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Solution

The fourth proportional to 188,931.90, 260,714.20 and 104,048.97 is: 143,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,931.90 : 260,714.20 = 104,048.97 : x
  2. Step 2: Convert to fraction form
    188,931.90/260,714.20 = 104,048.97/x
  3. Step 3: Cross multiply
    188,931.90x = 260,714.20 × 104,048.97
  4. Step 4: Simplify right side
    188,931.90x = 27,127,042,150.56
  5. Step 5: Solve for x
    x = 27,127,042,150.56/188,931.90
  6. Step 6: Final answer
    x = 143,581.06

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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.