Home / 208,888.14-313,377.19-66,700.00

Finding the Fourth Proportional to 208,888.14, 313,377.19 and 66,700.00

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Solution

The fourth proportional to 208,888.14, 313,377.19 and 66,700.00 is: 100,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,888.14 : 313,377.19 = 66,700.00 : x
  2. Step 2: Convert to fraction form
    208,888.14/313,377.19 = 66,700.00/x
  3. Step 3: Cross multiply
    208,888.14x = 313,377.19 × 66,700.00
  4. Step 4: Simplify right side
    208,888.14x = 20,902,258,078.52
  5. Step 5: Solve for x
    x = 20,902,258,078.52/208,888.14
  6. Step 6: Final answer
    x = 100,064.36

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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.