Home / 197,425.44-272,447.16-111,402.66

Finding the Fourth Proportional to 197,425.44, 272,447.16 and 111,402.66

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Solution

The fourth proportional to 197,425.44, 272,447.16 and 111,402.66 is: 153,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,425.44 : 272,447.16 = 111,402.66 : x
  2. Step 2: Convert to fraction form
    197,425.44/272,447.16 = 111,402.66/x
  3. Step 3: Cross multiply
    197,425.44x = 272,447.16 × 111,402.66
  4. Step 4: Simplify right side
    197,425.44x = 30,351,338,333.45
  5. Step 5: Solve for x
    x = 30,351,338,333.45/197,425.44
  6. Step 6: Final answer
    x = 153,735.70

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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.