Home / 197,988.21-273,239.51-111,965.31

Finding the Fourth Proportional to 197,988.21, 273,239.51 and 111,965.31

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Solution

The fourth proportional to 197,988.21, 273,239.51 and 111,965.31 is: 154,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,988.21 : 273,239.51 = 111,965.31 : x
  2. Step 2: Convert to fraction form
    197,988.21/273,239.51 = 111,965.31/x
  3. Step 3: Cross multiply
    197,988.21x = 273,239.51 × 111,965.31
  4. Step 4: Simplify right side
    197,988.21x = 30,593,345,881.57
  5. Step 5: Solve for x
    x = 30,593,345,881.57/197,988.21
  6. Step 6: Final answer
    x = 154,521.05

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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.