Home / 195,821.55-270,212.36-115,274.34

Finding the Fourth Proportional to 195,821.55, 270,212.36 and 115,274.34

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Solution

The fourth proportional to 195,821.55, 270,212.36 and 115,274.34 is: 159,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,821.55 : 270,212.36 = 115,274.34 : x
  2. Step 2: Convert to fraction form
    195,821.55/270,212.36 = 115,274.34/x
  3. Step 3: Cross multiply
    195,821.55x = 270,212.36 × 115,274.34
  4. Step 4: Simplify right side
    195,821.55x = 31,148,550,882.47
  5. Step 5: Solve for x
    x = 31,148,550,882.47/195,821.55
  6. Step 6: Final answer
    x = 159,066.00

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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.