Home / 236,636.20-326,571.18-129,216.20

Finding the Fourth Proportional to 236,636.20, 326,571.18 and 129,216.20

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Solution

The fourth proportional to 236,636.20, 326,571.18 and 129,216.20 is: 178,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,636.20 : 326,571.18 = 129,216.20 : x
  2. Step 2: Convert to fraction form
    236,636.20/326,571.18 = 129,216.20/x
  3. Step 3: Cross multiply
    236,636.20x = 326,571.18 × 129,216.20
  4. Step 4: Simplify right side
    236,636.20x = 42,198,286,909.12
  5. Step 5: Solve for x
    x = 42,198,286,909.12/236,636.20
  6. Step 6: Final answer
    x = 178,325.58

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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.