Home / 268,778.24-403,071.29-88,830.36

Finding the Fourth Proportional to 268,778.24, 403,071.29 and 88,830.36

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Solution

The fourth proportional to 268,778.24, 403,071.29 and 88,830.36 is: 133,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,778.24 : 403,071.29 = 88,830.36 : x
  2. Step 2: Convert to fraction form
    268,778.24/403,071.29 = 88,830.36/x
  3. Step 3: Cross multiply
    268,778.24x = 403,071.29 × 88,830.36
  4. Step 4: Simplify right side
    268,778.24x = 35,804,967,796.36
  5. Step 5: Solve for x
    x = 35,804,967,796.36/268,778.24
  6. Step 6: Final answer
    x = 133,213.79

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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.