Home / 150,830.30-208,148.33-82,850.14

Finding the Fourth Proportional to 150,830.30, 208,148.33 and 82,850.14

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Solution

The fourth proportional to 150,830.30, 208,148.33 and 82,850.14 is: 114,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,830.30 : 208,148.33 = 82,850.14 : x
  2. Step 2: Convert to fraction form
    150,830.30/208,148.33 = 82,850.14/x
  3. Step 3: Cross multiply
    150,830.30x = 208,148.33 × 82,850.14
  4. Step 4: Simplify right side
    150,830.30x = 17,245,118,748.58
  5. Step 5: Solve for x
    x = 17,245,118,748.58/150,830.30
  6. Step 6: Final answer
    x = 114,334.58

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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.