Home / 190,812.33-286,151.49-55,839.09

Finding the Fourth Proportional to 190,812.33, 286,151.49 and 55,839.09

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Solution

The fourth proportional to 190,812.33, 286,151.49 and 55,839.09 is: 83,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,812.33 : 286,151.49 = 55,839.09 : x
  2. Step 2: Convert to fraction form
    190,812.33/286,151.49 = 55,839.09/x
  3. Step 3: Cross multiply
    190,812.33x = 286,151.49 × 55,839.09
  4. Step 4: Simplify right side
    190,812.33x = 15,978,438,803.74
  5. Step 5: Solve for x
    x = 15,978,438,803.74/190,812.33
  6. Step 6: Final answer
    x = 83,739.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.