Home / 190,571.87-262,987.36-104,529.08

Finding the Fourth Proportional to 190,571.87, 262,987.36 and 104,529.08

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Solution

The fourth proportional to 190,571.87, 262,987.36 and 104,529.08 is: 144,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,571.87 : 262,987.36 = 104,529.08 : x
  2. Step 2: Convert to fraction form
    190,571.87/262,987.36 = 104,529.08/x
  3. Step 3: Cross multiply
    190,571.87x = 262,987.36 × 104,529.08
  4. Step 4: Simplify right side
    190,571.87x = 27,489,827,188.57
  5. Step 5: Solve for x
    x = 27,489,827,188.57/190,571.87
  6. Step 6: Final answer
    x = 144,249.13

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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.