Home / 215,184.40-322,546.20-96,835.60

Finding the Fourth Proportional to 215,184.40, 322,546.20 and 96,835.60

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Solution

The fourth proportional to 215,184.40, 322,546.20 and 96,835.60 is: 145,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,184.40 : 322,546.20 = 96,835.60 : x
  2. Step 2: Convert to fraction form
    215,184.40/322,546.20 = 96,835.60/x
  3. Step 3: Cross multiply
    215,184.40x = 322,546.20 × 96,835.60
  4. Step 4: Simplify right side
    215,184.40x = 31,233,954,804.72
  5. Step 5: Solve for x
    x = 31,233,954,804.72/215,184.40
  6. Step 6: Final answer
    x = 145,149.72

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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.