Home / 188,985.51-283,385.98-82,459.48

Finding the Fourth Proportional to 188,985.51, 283,385.98 and 82,459.48

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Solution

The fourth proportional to 188,985.51, 283,385.98 and 82,459.48 is: 123,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,985.51 : 283,385.98 = 82,459.48 : x
  2. Step 2: Convert to fraction form
    188,985.51/283,385.98 = 82,459.48/x
  3. Step 3: Cross multiply
    188,985.51x = 283,385.98 × 82,459.48
  4. Step 4: Simplify right side
    188,985.51x = 23,367,860,550.09
  5. Step 5: Solve for x
    x = 23,367,860,550.09/188,985.51
  6. Step 6: Final answer
    x = 123,648.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.