Home / 114,915.96-158,453.26-80,913.58

Finding the Fourth Proportional to 114,915.96, 158,453.26 and 80,913.58

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Solution

The fourth proportional to 114,915.96, 158,453.26 and 80,913.58 is: 111,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,915.96 : 158,453.26 = 80,913.58 : x
  2. Step 2: Convert to fraction form
    114,915.96/158,453.26 = 80,913.58/x
  3. Step 3: Cross multiply
    114,915.96x = 158,453.26 × 80,913.58
  4. Step 4: Simplify right side
    114,915.96x = 12,821,019,930.85
  5. Step 5: Solve for x
    x = 12,821,019,930.85/114,915.96
  6. Step 6: Final answer
    x = 111,568.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.