Home / 150,890.18-208,205.78-82,910.01

Finding the Fourth Proportional to 150,890.18, 208,205.78 and 82,910.01

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Solution

The fourth proportional to 150,890.18, 208,205.78 and 82,910.01 is: 114,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,890.18 : 208,205.78 = 82,910.01 : x
  2. Step 2: Convert to fraction form
    150,890.18/208,205.78 = 82,910.01/x
  3. Step 3: Cross multiply
    150,890.18x = 208,205.78 × 82,910.01
  4. Step 4: Simplify right side
    150,890.18x = 17,262,343,668.08
  5. Step 5: Solve for x
    x = 17,262,343,668.08/150,890.18
  6. Step 6: Final answer
    x = 114,403.36

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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.