Home / 154,280.44-212,846.14-96,886

Finding the Fourth Proportional to 154,280.44, 212,846.14 and 96,886

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Solution

The fourth proportional to 154,280.44, 212,846.14 and 96,886 is: 133,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,280.44 : 212,846.14 = 96,886 : x
  2. Step 2: Convert to fraction form
    154,280.44/212,846.14 = 96,886/x
  3. Step 3: Cross multiply
    154,280.44x = 212,846.14 × 96,886
  4. Step 4: Simplify right side
    154,280.44x = 20,621,811,120.04
  5. Step 5: Solve for x
    x = 20,621,811,120.04/154,280.44
  6. Step 6: Final answer
    x = 133,664.46

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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.