Home / 190,662.45-263,109.17-104,621.16

Finding the Fourth Proportional to 190,662.45, 263,109.17 and 104,621.16

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Solution

The fourth proportional to 190,662.45, 263,109.17 and 104,621.16 is: 144,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,662.45 : 263,109.17 = 104,621.16 : x
  2. Step 2: Convert to fraction form
    190,662.45/263,109.17 = 104,621.16/x
  3. Step 3: Cross multiply
    190,662.45x = 263,109.17 × 104,621.16
  4. Step 4: Simplify right side
    190,662.45x = 27,526,786,572.04
  5. Step 5: Solve for x
    x = 27,526,786,572.04/190,662.45
  6. Step 6: Final answer
    x = 144,374.45

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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.