Home / 190,260.72-262,550.16-104,218.56

Finding the Fourth Proportional to 190,260.72, 262,550.16 and 104,218.56

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Solution

The fourth proportional to 190,260.72, 262,550.16 and 104,218.56 is: 143,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,260.72 : 262,550.16 = 104,218.56 : x
  2. Step 2: Convert to fraction form
    190,260.72/262,550.16 = 104,218.56/x
  3. Step 3: Cross multiply
    190,260.72x = 262,550.16 × 104,218.56
  4. Step 4: Simplify right side
    190,260.72x = 27,362,599,602.97
  5. Step 5: Solve for x
    x = 27,362,599,602.97/190,260.72
  6. Step 6: Final answer
    x = 143,816.34

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1.5x scale

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.