Home / 150,749.76-208,033.75-82,767.95

Finding the Fourth Proportional to 150,749.76, 208,033.75 and 82,767.95

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Solution

The fourth proportional to 150,749.76, 208,033.75 and 82,767.95 is: 114,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,749.76 : 208,033.75 = 82,767.95 : x
  2. Step 2: Convert to fraction form
    150,749.76/208,033.75 = 82,767.95/x
  3. Step 3: Cross multiply
    150,749.76x = 208,033.75 × 82,767.95
  4. Step 4: Simplify right side
    150,749.76x = 17,218,527,018.31
  5. Step 5: Solve for x
    x = 17,218,527,018.31/150,749.76
  6. Step 6: Final answer
    x = 114,219.27

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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.