Home / 392,822.88-589,268.25-108,513.33

Finding the Fourth Proportional to 392,822.88, 589,268.25 and 108,513.33

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Solution

The fourth proportional to 392,822.88, 589,268.25 and 108,513.33 is: 162,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,822.88 : 589,268.25 = 108,513.33 : x
  2. Step 2: Convert to fraction form
    392,822.88/589,268.25 = 108,513.33/x
  3. Step 3: Cross multiply
    392,822.88x = 589,268.25 × 108,513.33
  4. Step 4: Simplify right side
    392,822.88x = 63,943,460,070.77
  5. Step 5: Solve for x
    x = 63,943,460,070.77/392,822.88
  6. Step 6: Final answer
    x = 162,779.37

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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.