Home / 197,650.28-272,765.15-111,627.37

Finding the Fourth Proportional to 197,650.28, 272,765.15 and 111,627.37

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Solution

The fourth proportional to 197,650.28, 272,765.15 and 111,627.37 is: 154,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,650.28 : 272,765.15 = 111,627.37 : x
  2. Step 2: Convert to fraction form
    197,650.28/272,765.15 = 111,627.37/x
  3. Step 3: Cross multiply
    197,650.28x = 272,765.15 × 111,627.37
  4. Step 4: Simplify right side
    197,650.28x = 30,448,054,675.32
  5. Step 5: Solve for x
    x = 30,448,054,675.32/197,650.28
  6. Step 6: Final answer
    x = 154,050.15

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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.