Home / 268,254.18-402,014.94-135,224.43

Finding the Fourth Proportional to 268,254.18, 402,014.94 and 135,224.43

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Solution

The fourth proportional to 268,254.18, 402,014.94 and 135,224.43 is: 202,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,254.18 : 402,014.94 = 135,224.43 : x
  2. Step 2: Convert to fraction form
    268,254.18/402,014.94 = 135,224.43/x
  3. Step 3: Cross multiply
    268,254.18x = 402,014.94 × 135,224.43
  4. Step 4: Simplify right side
    268,254.18x = 54,362,241,112.98
  5. Step 5: Solve for x
    x = 54,362,241,112.98/268,254.18
  6. Step 6: Final answer
    x = 202,651.98

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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.