Home / 458,293.06-687,515.73-192,073.60

Finding the Fourth Proportional to 458,293.06, 687,515.73 and 192,073.60

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Solution

The fourth proportional to 458,293.06, 687,515.73 and 192,073.60 is: 288,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,293.06 : 687,515.73 = 192,073.60 : x
  2. Step 2: Convert to fraction form
    458,293.06/687,515.73 = 192,073.60/x
  3. Step 3: Cross multiply
    458,293.06x = 687,515.73 × 192,073.60
  4. Step 4: Simplify right side
    458,293.06x = 132,053,621,317.73
  5. Step 5: Solve for x
    x = 132,053,621,317.73/458,293.06
  6. Step 6: Final answer
    x = 288,142.31

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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.