Home / 188,808.01-283,212.75-76,490.35

Finding the Fourth Proportional to 188,808.01, 283,212.75 and 76,490.35

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Solution

The fourth proportional to 188,808.01, 283,212.75 and 76,490.35 is: 114,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,808.01 : 283,212.75 = 76,490.35 : x
  2. Step 2: Convert to fraction form
    188,808.01/283,212.75 = 76,490.35/x
  3. Step 3: Cross multiply
    188,808.01x = 283,212.75 × 76,490.35
  4. Step 4: Simplify right side
    188,808.01x = 21,663,040,955.90
  5. Step 5: Solve for x
    x = 21,663,040,955.90/188,808.01
  6. Step 6: Final answer
    x = 114,735.82

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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.