Home / 190,524.99-262,936.29-105,642.05

Finding the Fourth Proportional to 190,524.99, 262,936.29 and 105,642.05

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Solution

The fourth proportional to 190,524.99, 262,936.29 and 105,642.05 is: 145,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,524.99 : 262,936.29 = 105,642.05 : x
  2. Step 2: Convert to fraction form
    190,524.99/262,936.29 = 105,642.05/x
  3. Step 3: Cross multiply
    190,524.99x = 262,936.29 × 105,642.05
  4. Step 4: Simplify right side
    190,524.99x = 27,777,128,070.30
  5. Step 5: Solve for x
    x = 27,777,128,070.30/190,524.99
  6. Step 6: Final answer
    x = 145,792.57

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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.