Home / 121,198.03-181,809.46-46,381.10

Finding the Fourth Proportional to 121,198.03, 181,809.46 and 46,381.10

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Solution

The fourth proportional to 121,198.03, 181,809.46 and 46,381.10 is: 69,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,198.03 : 181,809.46 = 46,381.10 : x
  2. Step 2: Convert to fraction form
    121,198.03/181,809.46 = 46,381.10/x
  3. Step 3: Cross multiply
    121,198.03x = 181,809.46 × 46,381.10
  4. Step 4: Simplify right side
    121,198.03x = 8,432,522,745.21
  5. Step 5: Solve for x
    x = 8,432,522,745.21/121,198.03
  6. Step 6: Final answer
    x = 69,576.40

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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.