Home / 236,650.21-326,577.27-129,220.33

Finding the Fourth Proportional to 236,650.21, 326,577.27 and 129,220.33

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Solution

The fourth proportional to 236,650.21, 326,577.27 and 129,220.33 is: 178,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,650.21 : 326,577.27 = 129,220.33 : x
  2. Step 2: Convert to fraction form
    236,650.21/326,577.27 = 129,220.33/x
  3. Step 3: Cross multiply
    236,650.21x = 326,577.27 × 129,220.33
  4. Step 4: Simplify right side
    236,650.21x = 42,200,420,775.75
  5. Step 5: Solve for x
    x = 42,200,420,775.75/236,650.21
  6. Step 6: Final answer
    x = 178,324.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.