Home / 149,991.21-224,986.83-103,539.33

Finding the Fourth Proportional to 149,991.21, 224,986.83 and 103,539.33

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Solution

The fourth proportional to 149,991.21, 224,986.83 and 103,539.33 is: 155,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,991.21 : 224,986.83 = 103,539.33 : x
  2. Step 2: Convert to fraction form
    149,991.21/224,986.83 = 103,539.33/x
  3. Step 3: Cross multiply
    149,991.21x = 224,986.83 × 103,539.33
  4. Step 4: Simplify right side
    149,991.21x = 23,294,985,637.02
  5. Step 5: Solve for x
    x = 23,294,985,637.02/149,991.21
  6. Step 6: Final answer
    x = 155,309.01

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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.