Home / 197,258.06-272,202.45-111,220.10

Finding the Fourth Proportional to 197,258.06, 272,202.45 and 111,220.10

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Solution

The fourth proportional to 197,258.06, 272,202.45 and 111,220.10 is: 153,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,258.06 : 272,202.45 = 111,220.10 : x
  2. Step 2: Convert to fraction form
    197,258.06/272,202.45 = 111,220.10/x
  3. Step 3: Cross multiply
    197,258.06x = 272,202.45 × 111,220.10
  4. Step 4: Simplify right side
    197,258.06x = 30,274,383,709.25
  5. Step 5: Solve for x
    x = 30,274,383,709.25/197,258.06
  6. Step 6: Final answer
    x = 153,476.03

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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.