Home / 276,680.34-381,833.08-169,216.64

Finding the Fourth Proportional to 276,680.34, 381,833.08 and 169,216.64

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Solution

The fourth proportional to 276,680.34, 381,833.08 and 169,216.64 is: 233,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,680.34 : 381,833.08 = 169,216.64 : x
  2. Step 2: Convert to fraction form
    276,680.34/381,833.08 = 169,216.64/x
  3. Step 3: Cross multiply
    276,680.34x = 381,833.08 × 169,216.64
  4. Step 4: Simplify right side
    276,680.34x = 64,612,510,838.45
  5. Step 5: Solve for x
    x = 64,612,510,838.45/276,680.34
  6. Step 6: Final answer
    x = 233,527.65

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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.