Home / 268,865.50-403,383.01-126,705.03

Finding the Fourth Proportional to 268,865.50, 403,383.01 and 126,705.03

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Solution

The fourth proportional to 268,865.50, 403,383.01 and 126,705.03 is: 190,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,865.50 : 403,383.01 = 126,705.03 : x
  2. Step 2: Convert to fraction form
    268,865.50/403,383.01 = 126,705.03/x
  3. Step 3: Cross multiply
    268,865.50x = 403,383.01 × 126,705.03
  4. Step 4: Simplify right side
    268,865.50x = 51,110,656,383.54
  5. Step 5: Solve for x
    x = 51,110,656,383.54/268,865.50
  6. Step 6: Final answer
    x = 190,097.49

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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.