Home / 197,735.76-272,880.34-121,297.01

Finding the Fourth Proportional to 197,735.76, 272,880.34 and 121,297.01

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Solution

The fourth proportional to 197,735.76, 272,880.34 and 121,297.01 is: 167,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,735.76 : 272,880.34 = 121,297.01 : x
  2. Step 2: Convert to fraction form
    197,735.76/272,880.34 = 121,297.01/x
  3. Step 3: Cross multiply
    197,735.76x = 272,880.34 × 121,297.01
  4. Step 4: Simplify right side
    197,735.76x = 33,099,567,662.14
  5. Step 5: Solve for x
    x = 33,099,567,662.14/197,735.76
  6. Step 6: Final answer
    x = 167,392.93

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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.