Home / 204,510.40-306,775.20-64,273.60

Finding the Fourth Proportional to 204,510.40, 306,775.20 and 64,273.60

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Solution

The fourth proportional to 204,510.40, 306,775.20 and 64,273.60 is: 96,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,510.40 : 306,775.20 = 64,273.60 : x
  2. Step 2: Convert to fraction form
    204,510.40/306,775.20 = 64,273.60/x
  3. Step 3: Cross multiply
    204,510.40x = 306,775.20 × 64,273.60
  4. Step 4: Simplify right side
    204,510.40x = 19,717,546,494.72
  5. Step 5: Solve for x
    x = 19,717,546,494.72/204,510.40
  6. Step 6: Final answer
    x = 96,413.42

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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.