Home / 106,716.78-160,157.79-40,217.40

Finding the Fourth Proportional to 106,716.78, 160,157.79 and 40,217.40

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Solution

The fourth proportional to 106,716.78, 160,157.79 and 40,217.40 is: 60,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,716.78 : 160,157.79 = 40,217.40 : x
  2. Step 2: Convert to fraction form
    106,716.78/160,157.79 = 40,217.40/x
  3. Step 3: Cross multiply
    106,716.78x = 160,157.79 × 40,217.40
  4. Step 4: Simplify right side
    106,716.78x = 6,441,129,903.55
  5. Step 5: Solve for x
    x = 6,441,129,903.55/106,716.78
  6. Step 6: Final answer
    x = 60,357.24

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1.5x scale

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.