Home / 114,581.99-158,142.20-66,835.37

Finding the Fourth Proportional to 114,581.99, 158,142.20 and 66,835.37

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Solution

The fourth proportional to 114,581.99, 158,142.20 and 66,835.37 is: 92,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,581.99 : 158,142.20 = 66,835.37 : x
  2. Step 2: Convert to fraction form
    114,581.99/158,142.20 = 66,835.37/x
  3. Step 3: Cross multiply
    114,581.99x = 158,142.20 × 66,835.37
  4. Step 4: Simplify right side
    114,581.99x = 10,569,491,324.73
  5. Step 5: Solve for x
    x = 10,569,491,324.73/114,581.99
  6. Step 6: Final answer
    x = 92,243.92

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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.