Home / 268,180.12-402,263.96-135,024.64

Finding the Fourth Proportional to 268,180.12, 402,263.96 and 135,024.64

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Solution

The fourth proportional to 268,180.12, 402,263.96 and 135,024.64 is: 202,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,180.12 : 402,263.96 = 135,024.64 : x
  2. Step 2: Convert to fraction form
    268,180.12/402,263.96 = 135,024.64/x
  3. Step 3: Cross multiply
    268,180.12x = 402,263.96 × 135,024.64
  4. Step 4: Simplify right side
    268,180.12x = 54,315,546,383.97
  5. Step 5: Solve for x
    x = 54,315,546,383.97/268,180.12
  6. Step 6: Final answer
    x = 202,533.83

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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.