Home / 190,448.82-262,809.26-109,871.54

Finding the Fourth Proportional to 190,448.82, 262,809.26 and 109,871.54

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Solution

The fourth proportional to 190,448.82, 262,809.26 and 109,871.54 is: 151,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,448.82 : 262,809.26 = 109,871.54 : x
  2. Step 2: Convert to fraction form
    190,448.82/262,809.26 = 109,871.54/x
  3. Step 3: Cross multiply
    190,448.82x = 262,809.26 × 109,871.54
  4. Step 4: Simplify right side
    190,448.82x = 28,875,258,122.46
  5. Step 5: Solve for x
    x = 28,875,258,122.46/190,448.82
  6. Step 6: Final answer
    x = 151,616.89

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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.