Home / 276,924.73-382,156.67-160,660.78

Finding the Fourth Proportional to 276,924.73, 382,156.67 and 160,660.78

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Solution

The fourth proportional to 276,924.73, 382,156.67 and 160,660.78 is: 221,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,924.73 : 382,156.67 = 160,660.78 : x
  2. Step 2: Convert to fraction form
    276,924.73/382,156.67 = 160,660.78/x
  3. Step 3: Cross multiply
    276,924.73x = 382,156.67 × 160,660.78
  4. Step 4: Simplify right side
    276,924.73x = 61,397,585,970.32
  5. Step 5: Solve for x
    x = 61,397,585,970.32/276,924.73
  6. Step 6: Final answer
    x = 221,712.18

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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.