Home / 106,938.86-160,318.07-67,408.84

Finding the Fourth Proportional to 106,938.86, 160,318.07 and 67,408.84

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Solution

The fourth proportional to 106,938.86, 160,318.07 and 67,408.84 is: 101,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.86 : 160,318.07 = 67,408.84 : x
  2. Step 2: Convert to fraction form
    106,938.86/160,318.07 = 67,408.84/x
  3. Step 3: Cross multiply
    106,938.86x = 160,318.07 × 67,408.84
  4. Step 4: Simplify right side
    106,938.86x = 10,806,853,991.10
  5. Step 5: Solve for x
    x = 10,806,853,991.10/106,938.86
  6. Step 6: Final answer
    x = 101,056.38

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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.