Home / 262,989.28-362,836.56-149,731.84

Finding the Fourth Proportional to 262,989.28, 362,836.56 and 149,731.84

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Solution

The fourth proportional to 262,989.28, 362,836.56 and 149,731.84 is: 206,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,989.28 : 362,836.56 = 149,731.84 : x
  2. Step 2: Convert to fraction form
    262,989.28/362,836.56 = 149,731.84/x
  3. Step 3: Cross multiply
    262,989.28x = 362,836.56 × 149,731.84
  4. Step 4: Simplify right side
    262,989.28x = 54,328,185,748.07
  5. Step 5: Solve for x
    x = 54,328,185,748.07/262,989.28
  6. Step 6: Final answer
    x = 206,579.47

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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.