Home / 133,745.46-200,637.63-71,381.94

Finding the Fourth Proportional to 133,745.46, 200,637.63 and 71,381.94

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Solution

The fourth proportional to 133,745.46, 200,637.63 and 71,381.94 is: 107,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,745.46 : 200,637.63 = 71,381.94 : x
  2. Step 2: Convert to fraction form
    133,745.46/200,637.63 = 71,381.94/x
  3. Step 3: Cross multiply
    133,745.46x = 200,637.63 × 71,381.94
  4. Step 4: Simplify right side
    133,745.46x = 14,321,903,266.40
  5. Step 5: Solve for x
    x = 14,321,903,266.40/133,745.46
  6. Step 6: Final answer
    x = 107,083.29

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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.