Home / 147,767.44-203,986.20-94,126

Finding the Fourth Proportional to 147,767.44, 203,986.20 and 94,126

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Solution

The fourth proportional to 147,767.44, 203,986.20 and 94,126 is: 129,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,767.44 : 203,986.20 = 94,126 : x
  2. Step 2: Convert to fraction form
    147,767.44/203,986.20 = 94,126/x
  3. Step 3: Cross multiply
    147,767.44x = 203,986.20 × 94,126
  4. Step 4: Simplify right side
    147,767.44x = 19,200,405,061.20
  5. Step 5: Solve for x
    x = 19,200,405,061.20/147,767.44
  6. Step 6: Final answer
    x = 129,936.64

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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.