Home / 260,028.60-389,265.30-154,793.40

Finding the Fourth Proportional to 260,028.60, 389,265.30 and 154,793.40

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Solution

The fourth proportional to 260,028.60, 389,265.30 and 154,793.40 is: 231,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,028.60 : 389,265.30 = 154,793.40 : x
  2. Step 2: Convert to fraction form
    260,028.60/389,265.30 = 154,793.40/x
  3. Step 3: Cross multiply
    260,028.60x = 389,265.30 × 154,793.40
  4. Step 4: Simplify right side
    260,028.60x = 60,255,699,289.02
  5. Step 5: Solve for x
    x = 60,255,699,289.02/260,028.60
  6. Step 6: Final answer
    x = 231,727.20

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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.