Home / 131,040.68-180,779.22-83,268.41

Finding the Fourth Proportional to 131,040.68, 180,779.22 and 83,268.41

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Solution

The fourth proportional to 131,040.68, 180,779.22 and 83,268.41 is: 114,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,040.68 : 180,779.22 = 83,268.41 : x
  2. Step 2: Convert to fraction form
    131,040.68/180,779.22 = 83,268.41/x
  3. Step 3: Cross multiply
    131,040.68x = 180,779.22 × 83,268.41
  4. Step 4: Simplify right side
    131,040.68x = 15,053,197,306.54
  5. Step 5: Solve for x
    x = 15,053,197,306.54/131,040.68
  6. Step 6: Final answer
    x = 114,874.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.