Home / 146,589.20-219,883.80-83,603.60

Finding the Fourth Proportional to 146,589.20, 219,883.80 and 83,603.60

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Solution

The fourth proportional to 146,589.20, 219,883.80 and 83,603.60 is: 125,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,589.20 : 219,883.80 = 83,603.60 : x
  2. Step 2: Convert to fraction form
    146,589.20/219,883.80 = 83,603.60/x
  3. Step 3: Cross multiply
    146,589.20x = 219,883.80 × 83,603.60
  4. Step 4: Simplify right side
    146,589.20x = 18,383,077,261.68
  5. Step 5: Solve for x
    x = 18,383,077,261.68/146,589.20
  6. Step 6: Final answer
    x = 125,405.40

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1.5x scale

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.