Home / 276,990.48-382,181.76-168,092.36

Finding the Fourth Proportional to 276,990.48, 382,181.76 and 168,092.36

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Solution

The fourth proportional to 276,990.48, 382,181.76 and 168,092.36 is: 231,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,990.48 : 382,181.76 = 168,092.36 : x
  2. Step 2: Convert to fraction form
    276,990.48/382,181.76 = 168,092.36/x
  3. Step 3: Cross multiply
    276,990.48x = 382,181.76 × 168,092.36
  4. Step 4: Simplify right side
    276,990.48x = 64,241,832,496.68
  5. Step 5: Solve for x
    x = 64,241,832,496.68/276,990.48
  6. Step 6: Final answer
    x = 231,927.95

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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.