Home / 190,394.78-262,864.44-122,529.96

Finding the Fourth Proportional to 190,394.78, 262,864.44 and 122,529.96

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Solution

The fourth proportional to 190,394.78, 262,864.44 and 122,529.96 is: 169,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,394.78 : 262,864.44 = 122,529.96 : x
  2. Step 2: Convert to fraction form
    190,394.78/262,864.44 = 122,529.96/x
  3. Step 3: Cross multiply
    190,394.78x = 262,864.44 × 122,529.96
  4. Step 4: Simplify right side
    190,394.78x = 32,208,769,318.62
  5. Step 5: Solve for x
    x = 32,208,769,318.62/190,394.78
  6. Step 6: Final answer
    x = 169,168.35

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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.