Home / 148,132.26-204,422.64-81,064.26

Finding the Fourth Proportional to 148,132.26, 204,422.64 and 81,064.26

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Solution

The fourth proportional to 148,132.26, 204,422.64 and 81,064.26 is: 111,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,132.26 : 204,422.64 = 81,064.26 : x
  2. Step 2: Convert to fraction form
    148,132.26/204,422.64 = 81,064.26/x
  3. Step 3: Cross multiply
    148,132.26x = 204,422.64 × 81,064.26
  4. Step 4: Simplify right side
    148,132.26x = 16,571,370,038.85
  5. Step 5: Solve for x
    x = 16,571,370,038.85/148,132.26
  6. Step 6: Final answer
    x = 111,868.75

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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.