Home / 214,972.40-322,458.60-57,216.80

Finding the Fourth Proportional to 214,972.40, 322,458.60 and 57,216.80

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Solution

The fourth proportional to 214,972.40, 322,458.60 and 57,216.80 is: 85,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,972.40 : 322,458.60 = 57,216.80 : x
  2. Step 2: Convert to fraction form
    214,972.40/322,458.60 = 57,216.80/x
  3. Step 3: Cross multiply
    214,972.40x = 322,458.60 × 57,216.80
  4. Step 4: Simplify right side
    214,972.40x = 18,450,049,224.48
  5. Step 5: Solve for x
    x = 18,450,049,224.48/214,972.40
  6. Step 6: Final answer
    x = 85,825.20

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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.