Home / 106,157.18-159,334.19-53,603.57

Finding the Fourth Proportional to 106,157.18, 159,334.19 and 53,603.57

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Solution

The fourth proportional to 106,157.18, 159,334.19 and 53,603.57 is: 80,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,157.18 : 159,334.19 = 53,603.57 : x
  2. Step 2: Convert to fraction form
    106,157.18/159,334.19 = 53,603.57/x
  3. Step 3: Cross multiply
    106,157.18x = 159,334.19 × 53,603.57
  4. Step 4: Simplify right side
    106,157.18x = 8,540,881,738.39
  5. Step 5: Solve for x
    x = 8,540,881,738.39/106,157.18
  6. Step 6: Final answer
    x = 80,455.05

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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.