Home / 254,244.75-349,613.60-220,652.43

Finding the Fourth Proportional to 254,244.75, 349,613.60 and 220,652.43

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Solution

The fourth proportional to 254,244.75, 349,613.60 and 220,652.43 is: 303,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,244.75 : 349,613.60 = 220,652.43 : x
  2. Step 2: Convert to fraction form
    254,244.75/349,613.60 = 220,652.43/x
  3. Step 3: Cross multiply
    254,244.75x = 349,613.60 × 220,652.43
  4. Step 4: Simplify right side
    254,244.75x = 77,143,089,297.79
  5. Step 5: Solve for x
    x = 77,143,089,297.79/254,244.75
  6. Step 6: Final answer
    x = 303,420.58

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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.