Home / 205,556.12-308,396.28-97,568.36

Finding the Fourth Proportional to 205,556.12, 308,396.28 and 97,568.36

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Solution

The fourth proportional to 205,556.12, 308,396.28 and 97,568.36 is: 146,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,556.12 : 308,396.28 = 97,568.36 : x
  2. Step 2: Convert to fraction form
    205,556.12/308,396.28 = 97,568.36/x
  3. Step 3: Cross multiply
    205,556.12x = 308,396.28 × 97,568.36
  4. Step 4: Simplify right side
    205,556.12x = 30,089,719,269.70
  5. Step 5: Solve for x
    x = 30,089,719,269.70/205,556.12
  6. Step 6: Final answer
    x = 146,382.02

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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.