Home / 188,731.78-260,364.02-112,207.48

Finding the Fourth Proportional to 188,731.78, 260,364.02 and 112,207.48

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Solution

The fourth proportional to 188,731.78, 260,364.02 and 112,207.48 is: 154,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,731.78 : 260,364.02 = 112,207.48 : x
  2. Step 2: Convert to fraction form
    188,731.78/260,364.02 = 112,207.48/x
  3. Step 3: Cross multiply
    188,731.78x = 260,364.02 × 112,207.48
  4. Step 4: Simplify right side
    188,731.78x = 29,214,789,354.92
  5. Step 5: Solve for x
    x = 29,214,789,354.92/188,731.78
  6. Step 6: Final answer
    x = 154,795.29

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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.