Home / 114,916.05-158,453.39-80,913.66

Finding the Fourth Proportional to 114,916.05, 158,453.39 and 80,913.66

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Solution

The fourth proportional to 114,916.05, 158,453.39 and 80,913.66 is: 111,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,916.05 : 158,453.39 = 80,913.66 : x
  2. Step 2: Convert to fraction form
    114,916.05/158,453.39 = 80,913.66/x
  3. Step 3: Cross multiply
    114,916.05x = 158,453.39 × 80,913.66
  4. Step 4: Simplify right side
    114,916.05x = 12,821,043,319.74
  5. Step 5: Solve for x
    x = 12,821,043,319.74/114,916.05
  6. Step 6: Final answer
    x = 111,568.78

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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.