Home / 272,816.75-376,537.73-158,169.42

Finding the Fourth Proportional to 272,816.75, 376,537.73 and 158,169.42

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Solution

The fourth proportional to 272,816.75, 376,537.73 and 158,169.42 is: 218,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,816.75 : 376,537.73 = 158,169.42 : x
  2. Step 2: Convert to fraction form
    272,816.75/376,537.73 = 158,169.42/x
  3. Step 3: Cross multiply
    272,816.75x = 376,537.73 × 158,169.42
  4. Step 4: Simplify right side
    272,816.75x = 59,556,754,323.30
  5. Step 5: Solve for x
    x = 59,556,754,323.30/272,816.75
  6. Step 6: Final answer
    x = 218,303.15

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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.