Home / 150,823.87-208,138.65-82,842.44

Finding the Fourth Proportional to 150,823.87, 208,138.65 and 82,842.44

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Solution

The fourth proportional to 150,823.87, 208,138.65 and 82,842.44 is: 114,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,823.87 : 208,138.65 = 82,842.44 : x
  2. Step 2: Convert to fraction form
    150,823.87/208,138.65 = 82,842.44/x
  3. Step 3: Cross multiply
    150,823.87x = 208,138.65 × 82,842.44
  4. Step 4: Simplify right side
    150,823.87x = 17,242,712,272.95
  5. Step 5: Solve for x
    x = 17,242,712,272.95/150,823.87
  6. Step 6: Final answer
    x = 114,323.50

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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.