Home / 276,960.30-382,203.27-163,780.62

Finding the Fourth Proportional to 276,960.30, 382,203.27 and 163,780.62

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Solution

The fourth proportional to 276,960.30, 382,203.27 and 163,780.62 is: 226,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,960.30 : 382,203.27 = 163,780.62 : x
  2. Step 2: Convert to fraction form
    276,960.30/382,203.27 = 163,780.62/x
  3. Step 3: Cross multiply
    276,960.30x = 382,203.27 × 163,780.62
  4. Step 4: Simplify right side
    276,960.30x = 62,597,488,526.63
  5. Step 5: Solve for x
    x = 62,597,488,526.63/276,960.30
  6. Step 6: Final answer
    x = 226,016.11

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1.5x scale

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.