Home / 190,144.28-262,576.93-122,279.12

Finding the Fourth Proportional to 190,144.28, 262,576.93 and 122,279.12

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Solution

The fourth proportional to 190,144.28, 262,576.93 and 122,279.12 is: 168,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,144.28 : 262,576.93 = 122,279.12 : x
  2. Step 2: Convert to fraction form
    190,144.28/262,576.93 = 122,279.12/x
  3. Step 3: Cross multiply
    190,144.28x = 262,576.93 × 122,279.12
  4. Step 4: Simplify right side
    190,144.28x = 32,107,675,932.70
  5. Step 5: Solve for x
    x = 32,107,675,932.70/190,144.28
  6. Step 6: Final answer
    x = 168,859.54

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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.