Home / 195,722.46-270,092.34-115,155.18

Finding the Fourth Proportional to 195,722.46, 270,092.34 and 115,155.18

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Solution

The fourth proportional to 195,722.46, 270,092.34 and 115,155.18 is: 158,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,722.46 : 270,092.34 = 115,155.18 : x
  2. Step 2: Convert to fraction form
    195,722.46/270,092.34 = 115,155.18/x
  3. Step 3: Cross multiply
    195,722.46x = 270,092.34 × 115,155.18
  4. Step 4: Simplify right side
    195,722.46x = 31,102,532,029.32
  5. Step 5: Solve for x
    x = 31,102,532,029.32/195,722.46
  6. Step 6: Final answer
    x = 158,911.41

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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.