Home / 268,822.20-403,233.30-190,090.20

Finding the Fourth Proportional to 268,822.20, 403,233.30 and 190,090.20

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Solution

The fourth proportional to 268,822.20, 403,233.30 and 190,090.20 is: 285,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,822.20 : 403,233.30 = 190,090.20 : x
  2. Step 2: Convert to fraction form
    268,822.20/403,233.30 = 190,090.20/x
  3. Step 3: Cross multiply
    268,822.20x = 403,233.30 × 190,090.20
  4. Step 4: Simplify right side
    268,822.20x = 76,650,698,643.66
  5. Step 5: Solve for x
    x = 76,650,698,643.66/268,822.20
  6. Step 6: Final answer
    x = 285,135.30

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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.