Home / 177,745.51-266,618.54-71,177.46

Finding the Fourth Proportional to 177,745.51, 266,618.54 and 71,177.46

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Solution

The fourth proportional to 177,745.51, 266,618.54 and 71,177.46 is: 106,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,745.51 : 266,618.54 = 71,177.46 : x
  2. Step 2: Convert to fraction form
    177,745.51/266,618.54 = 71,177.46/x
  3. Step 3: Cross multiply
    177,745.51x = 266,618.54 × 71,177.46
  4. Step 4: Simplify right side
    177,745.51x = 18,977,230,466.11
  5. Step 5: Solve for x
    x = 18,977,230,466.11/177,745.51
  6. Step 6: Final answer
    x = 106,766.30

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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.