Home / 188,045.90-281,982.45-82,810.70

Finding the Fourth Proportional to 188,045.90, 281,982.45 and 82,810.70

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Solution

The fourth proportional to 188,045.90, 281,982.45 and 82,810.70 is: 124,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045.90 : 281,982.45 = 82,810.70 : x
  2. Step 2: Convert to fraction form
    188,045.90/281,982.45 = 82,810.70/x
  3. Step 3: Cross multiply
    188,045.90x = 281,982.45 × 82,810.70
  4. Step 4: Simplify right side
    188,045.90x = 23,351,164,072.22
  5. Step 5: Solve for x
    x = 23,351,164,072.22/188,045.90
  6. Step 6: Final answer
    x = 124,178.00

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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.