Home / 197,804.43-272,902.97-111,750.84

Finding the Fourth Proportional to 197,804.43, 272,902.97 and 111,750.84

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Solution

The fourth proportional to 197,804.43, 272,902.97 and 111,750.84 is: 154,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,804.43 : 272,902.97 = 111,750.84 : x
  2. Step 2: Convert to fraction form
    197,804.43/272,902.97 = 111,750.84/x
  3. Step 3: Cross multiply
    197,804.43x = 272,902.97 × 111,750.84
  4. Step 4: Simplify right side
    197,804.43x = 30,497,136,415.37
  5. Step 5: Solve for x
    x = 30,497,136,415.37/197,804.43
  6. Step 6: Final answer
    x = 154,178.23

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1.5x scale

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.