Home / 190,136.16-262,387.97-104,100.71

Finding the Fourth Proportional to 190,136.16, 262,387.97 and 104,100.71

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Solution

The fourth proportional to 190,136.16, 262,387.97 and 104,100.71 is: 143,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,136.16 : 262,387.97 = 104,100.71 : x
  2. Step 2: Convert to fraction form
    190,136.16/262,387.97 = 104,100.71/x
  3. Step 3: Cross multiply
    190,136.16x = 262,387.97 × 104,100.71
  4. Step 4: Simplify right side
    190,136.16x = 27,314,774,628.43
  5. Step 5: Solve for x
    x = 27,314,774,628.43/190,136.16
  6. Step 6: Final answer
    x = 143,659.02

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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.