Home / 197,273.16-272,171.64-111,221.37

Finding the Fourth Proportional to 197,273.16, 272,171.64 and 111,221.37

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Solution

The fourth proportional to 197,273.16, 272,171.64 and 111,221.37 is: 153,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,273.16 : 272,171.64 = 111,221.37 : x
  2. Step 2: Convert to fraction form
    197,273.16/272,171.64 = 111,221.37/x
  3. Step 3: Cross multiply
    197,273.16x = 272,171.64 × 111,221.37
  4. Step 4: Simplify right side
    197,273.16x = 30,271,302,675.95
  5. Step 5: Solve for x
    x = 30,271,302,675.95/197,273.16
  6. Step 6: Final answer
    x = 153,448.66

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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.