Home / 389,020.92-583,531.38-122,968.32

Finding the Fourth Proportional to 389,020.92, 583,531.38 and 122,968.32

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Solution

The fourth proportional to 389,020.92, 583,531.38 and 122,968.32 is: 184,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,020.92 : 583,531.38 = 122,968.32 : x
  2. Step 2: Convert to fraction form
    389,020.92/583,531.38 = 122,968.32/x
  3. Step 3: Cross multiply
    389,020.92x = 583,531.38 × 122,968.32
  4. Step 4: Simplify right side
    389,020.92x = 71,755,873,465.88
  5. Step 5: Solve for x
    x = 71,755,873,465.88/389,020.92
  6. Step 6: Final answer
    x = 184,452.48

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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.