Home / 192,015.04-264,968.16-120,392

Finding the Fourth Proportional to 192,015.04, 264,968.16 and 120,392

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Solution

The fourth proportional to 192,015.04, 264,968.16 and 120,392 is: 166,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.04 : 264,968.16 = 120,392 : x
  2. Step 2: Convert to fraction form
    192,015.04/264,968.16 = 120,392/x
  3. Step 3: Cross multiply
    192,015.04x = 264,968.16 × 120,392
  4. Step 4: Simplify right side
    192,015.04x = 31,900,046,718.72
  5. Step 5: Solve for x
    x = 31,900,046,718.72/192,015.04
  6. Step 6: Final answer
    x = 166,133.06

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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.