Home / 102,683.14-153,773.21-84,804.42

Finding the Fourth Proportional to 102,683.14, 153,773.21 and 84,804.42

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Solution

The fourth proportional to 102,683.14, 153,773.21 and 84,804.42 is: 126,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,683.14 : 153,773.21 = 84,804.42 : x
  2. Step 2: Convert to fraction form
    102,683.14/153,773.21 = 84,804.42/x
  3. Step 3: Cross multiply
    102,683.14x = 153,773.21 × 84,804.42
  4. Step 4: Simplify right side
    102,683.14x = 13,040,647,570.76
  5. Step 5: Solve for x
    x = 13,040,647,570.76/102,683.14
  6. Step 6: Final answer
    x = 126,998.91

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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.