Home / 208,853.20-312,858.43-96,377.15

Finding the Fourth Proportional to 208,853.20, 312,858.43 and 96,377.15

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Solution

The fourth proportional to 208,853.20, 312,858.43 and 96,377.15 is: 144,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853.20 : 312,858.43 = 96,377.15 : x
  2. Step 2: Convert to fraction form
    208,853.20/312,858.43 = 96,377.15/x
  3. Step 3: Cross multiply
    208,853.20x = 312,858.43 × 96,377.15
  4. Step 4: Simplify right side
    208,853.20x = 30,152,404,378.08
  5. Step 5: Solve for x
    x = 30,152,404,378.08/208,853.20
  6. Step 6: Final answer
    x = 144,371.28

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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.