Home / 195,750.31-270,122.63-115,162.25

Finding the Fourth Proportional to 195,750.31, 270,122.63 and 115,162.25

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Solution

The fourth proportional to 195,750.31, 270,122.63 and 115,162.25 is: 158,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,750.31 : 270,122.63 = 115,162.25 : x
  2. Step 2: Convert to fraction form
    195,750.31/270,122.63 = 115,162.25/x
  3. Step 3: Cross multiply
    195,750.31x = 270,122.63 × 115,162.25
  4. Step 4: Simplify right side
    195,750.31x = 31,107,929,846.72
  5. Step 5: Solve for x
    x = 31,107,929,846.72/195,750.31
  6. Step 6: Final answer
    x = 158,916.38

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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.