Home / 150,930.90-208,289.63-82,950.28

Finding the Fourth Proportional to 150,930.90, 208,289.63 and 82,950.28

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Solution

The fourth proportional to 150,930.90, 208,289.63 and 82,950.28 is: 114,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,930.90 : 208,289.63 = 82,950.28 : x
  2. Step 2: Convert to fraction form
    150,930.90/208,289.63 = 82,950.28/x
  3. Step 3: Cross multiply
    150,930.90x = 208,289.63 × 82,950.28
  4. Step 4: Simplify right side
    150,930.90x = 17,277,682,608.87
  5. Step 5: Solve for x
    x = 17,277,682,608.87/150,930.90
  6. Step 6: Final answer
    x = 114,474.13

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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.