Home / 214,904.40-322,356.60-57,148.80

Finding the Fourth Proportional to 214,904.40, 322,356.60 and 57,148.80

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Solution

The fourth proportional to 214,904.40, 322,356.60 and 57,148.80 is: 85,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,904.40 : 322,356.60 = 57,148.80 : x
  2. Step 2: Convert to fraction form
    214,904.40/322,356.60 = 57,148.80/x
  3. Step 3: Cross multiply
    214,904.40x = 322,356.60 × 57,148.80
  4. Step 4: Simplify right side
    214,904.40x = 18,422,292,862.08
  5. Step 5: Solve for x
    x = 18,422,292,862.08/214,904.40
  6. Step 6: Final answer
    x = 85,723.20

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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.