Home / 150,918.18-208,266.03-82,935.78

Finding the Fourth Proportional to 150,918.18, 208,266.03 and 82,935.78

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Solution

The fourth proportional to 150,918.18, 208,266.03 and 82,935.78 is: 114,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,918.18 : 208,266.03 = 82,935.78 : x
  2. Step 2: Convert to fraction form
    150,918.18/208,266.03 = 82,935.78/x
  3. Step 3: Cross multiply
    150,918.18x = 208,266.03 × 82,935.78
  4. Step 4: Simplify right side
    150,918.18x = 17,272,705,645.55
  5. Step 5: Solve for x
    x = 17,272,705,645.55/150,918.18
  6. Step 6: Final answer
    x = 114,450.79

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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.