Home / 260,050.30-389,638.05-222,433.90

Finding the Fourth Proportional to 260,050.30, 389,638.05 and 222,433.90

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Solution

The fourth proportional to 260,050.30, 389,638.05 and 222,433.90 is: 333,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,050.30 : 389,638.05 = 222,433.90 : x
  2. Step 2: Convert to fraction form
    260,050.30/389,638.05 = 222,433.90/x
  3. Step 3: Cross multiply
    260,050.30x = 389,638.05 × 222,433.90
  4. Step 4: Simplify right side
    260,050.30x = 86,668,711,049.90
  5. Step 5: Solve for x
    x = 86,668,711,049.90/260,050.30
  6. Step 6: Final answer
    x = 333,276.72

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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.