Home / 151,872.14-209,582.23-83,893.86

Finding the Fourth Proportional to 151,872.14, 209,582.23 and 83,893.86

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Solution

The fourth proportional to 151,872.14, 209,582.23 and 83,893.86 is: 115,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,872.14 : 209,582.23 = 83,893.86 : x
  2. Step 2: Convert to fraction form
    151,872.14/209,582.23 = 83,893.86/x
  3. Step 3: Cross multiply
    151,872.14x = 209,582.23 × 83,893.86
  4. Step 4: Simplify right side
    151,872.14x = 17,582,661,266.44
  5. Step 5: Solve for x
    x = 17,582,661,266.44/151,872.14
  6. Step 6: Final answer
    x = 115,772.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.