Home / 150,953.90-208,321.34-82,973.30

Finding the Fourth Proportional to 150,953.90, 208,321.34 and 82,973.30

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Solution

The fourth proportional to 150,953.90, 208,321.34 and 82,973.30 is: 114,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,953.90 : 208,321.34 = 82,973.30 : x
  2. Step 2: Convert to fraction form
    150,953.90/208,321.34 = 82,973.30/x
  3. Step 3: Cross multiply
    150,953.90x = 208,321.34 × 82,973.30
  4. Step 4: Simplify right side
    150,953.90x = 17,285,107,583.75
  5. Step 5: Solve for x
    x = 17,285,107,583.75/150,953.90
  6. Step 6: Final answer
    x = 114,505.87

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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.