Home / 262,583.49-393,872.40-178,134.51

Finding the Fourth Proportional to 262,583.49, 393,872.40 and 178,134.51

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Solution

The fourth proportional to 262,583.49, 393,872.40 and 178,134.51 is: 267,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,583.49 : 393,872.40 = 178,134.51 : x
  2. Step 2: Convert to fraction form
    262,583.49/393,872.40 = 178,134.51/x
  3. Step 3: Cross multiply
    262,583.49x = 393,872.40 × 178,134.51
  4. Step 4: Simplify right side
    262,583.49x = 70,162,266,976.52
  5. Step 5: Solve for x
    x = 70,162,266,976.52/262,583.49
  6. Step 6: Final answer
    x = 267,199.84

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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.