Home / 126,258.27-188,919.62-101,222.58

Finding the Fourth Proportional to 126,258.27, 188,919.62 and 101,222.58

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Solution

The fourth proportional to 126,258.27, 188,919.62 and 101,222.58 is: 151,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,258.27 : 188,919.62 = 101,222.58 : x
  2. Step 2: Convert to fraction form
    126,258.27/188,919.62 = 101,222.58/x
  3. Step 3: Cross multiply
    126,258.27x = 188,919.62 × 101,222.58
  4. Step 4: Simplify right side
    126,258.27x = 19,122,931,349.02
  5. Step 5: Solve for x
    x = 19,122,931,349.02/126,258.27
  6. Step 6: Final answer
    x = 151,458.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.