Home / 226,606.20-339,909.30-121,630.20

Finding the Fourth Proportional to 226,606.20, 339,909.30 and 121,630.20

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Solution

The fourth proportional to 226,606.20, 339,909.30 and 121,630.20 is: 182,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,606.20 : 339,909.30 = 121,630.20 : x
  2. Step 2: Convert to fraction form
    226,606.20/339,909.30 = 121,630.20/x
  3. Step 3: Cross multiply
    226,606.20x = 339,909.30 × 121,630.20
  4. Step 4: Simplify right side
    226,606.20x = 41,343,236,140.86
  5. Step 5: Solve for x
    x = 41,343,236,140.86/226,606.20
  6. Step 6: Final answer
    x = 182,445.30

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1.5x scale

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.