Home / 106,900.15-160,344.42-40,338.67

Finding the Fourth Proportional to 106,900.15, 160,344.42 and 40,338.67

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Solution

The fourth proportional to 106,900.15, 160,344.42 and 40,338.67 is: 60,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,900.15 : 160,344.42 = 40,338.67 : x
  2. Step 2: Convert to fraction form
    106,900.15/160,344.42 = 40,338.67/x
  3. Step 3: Cross multiply
    106,900.15x = 160,344.42 × 40,338.67
  4. Step 4: Simplify right side
    106,900.15x = 6,468,080,644.72
  5. Step 5: Solve for x
    x = 6,468,080,644.72/106,900.15
  6. Step 6: Final answer
    x = 60,505.81

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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.