Home / 105,453.68-158,194.44-38,940.56

Finding the Fourth Proportional to 105,453.68, 158,194.44 and 38,940.56

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Solution

The fourth proportional to 105,453.68, 158,194.44 and 38,940.56 is: 58,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,453.68 : 158,194.44 = 38,940.56 : x
  2. Step 2: Convert to fraction form
    105,453.68/158,194.44 = 38,940.56/x
  3. Step 3: Cross multiply
    105,453.68x = 158,194.44 × 38,940.56
  4. Step 4: Simplify right side
    105,453.68x = 6,160,180,082.49
  5. Step 5: Solve for x
    x = 6,160,180,082.49/105,453.68
  6. Step 6: Final answer
    x = 58,415.98

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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.