Home / 236,646.85-326,571.36-129,216.12

Finding the Fourth Proportional to 236,646.85, 326,571.36 and 129,216.12

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Solution

The fourth proportional to 236,646.85, 326,571.36 and 129,216.12 is: 178,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,646.85 : 326,571.36 = 129,216.12 : x
  2. Step 2: Convert to fraction form
    236,646.85/326,571.36 = 129,216.12/x
  3. Step 3: Cross multiply
    236,646.85x = 326,571.36 × 129,216.12
  4. Step 4: Simplify right side
    236,646.85x = 42,198,284,042.32
  5. Step 5: Solve for x
    x = 42,198,284,042.32/236,646.85
  6. Step 6: Final answer
    x = 178,317.54

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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.