Home / 458,292.06-687,514.23-192,072.60

Finding the Fourth Proportional to 458,292.06, 687,514.23 and 192,072.60

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Solution

The fourth proportional to 458,292.06, 687,514.23 and 192,072.60 is: 288,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,292.06 : 687,514.23 = 192,072.60 : x
  2. Step 2: Convert to fraction form
    458,292.06/687,514.23 = 192,072.60/x
  3. Step 3: Cross multiply
    458,292.06x = 687,514.23 × 192,072.60
  4. Step 4: Simplify right side
    458,292.06x = 132,052,645,693.10
  5. Step 5: Solve for x
    x = 132,052,645,693.10/458,292.06
  6. Step 6: Final answer
    x = 288,140.81

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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.