Home / 106,938.36-160,317.32-67,408.34

Finding the Fourth Proportional to 106,938.36, 160,317.32 and 67,408.34

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Solution

The fourth proportional to 106,938.36, 160,317.32 and 67,408.34 is: 101,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.36 : 160,317.32 = 67,408.34 : x
  2. Step 2: Convert to fraction form
    106,938.36/160,317.32 = 67,408.34/x
  3. Step 3: Cross multiply
    106,938.36x = 160,317.32 × 67,408.34
  4. Step 4: Simplify right side
    106,938.36x = 10,806,723,275.82
  5. Step 5: Solve for x
    x = 10,806,723,275.82/106,938.36
  6. Step 6: Final answer
    x = 101,055.63

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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.