Home / 188,513.31-260,148.41-107,967.52

Finding the Fourth Proportional to 188,513.31, 260,148.41 and 107,967.52

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Solution

The fourth proportional to 188,513.31, 260,148.41 and 107,967.52 is: 148,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,513.31 : 260,148.41 = 107,967.52 : x
  2. Step 2: Convert to fraction form
    188,513.31/260,148.41 = 107,967.52/x
  3. Step 3: Cross multiply
    188,513.31x = 260,148.41 × 107,967.52
  4. Step 4: Simplify right side
    188,513.31x = 28,087,578,659.64
  5. Step 5: Solve for x
    x = 28,087,578,659.64/188,513.31
  6. Step 6: Final answer
    x = 148,995.20

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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.