Home / 276,455.16-381,504.33-161,812.62

Finding the Fourth Proportional to 276,455.16, 381,504.33 and 161,812.62

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Solution

The fourth proportional to 276,455.16, 381,504.33 and 161,812.62 is: 223,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,455.16 : 381,504.33 = 161,812.62 : x
  2. Step 2: Convert to fraction form
    276,455.16/381,504.33 = 161,812.62/x
  3. Step 3: Cross multiply
    276,455.16x = 381,504.33 × 161,812.62
  4. Step 4: Simplify right side
    276,455.16x = 61,732,215,178.64
  5. Step 5: Solve for x
    x = 61,732,215,178.64/276,455.16
  6. Step 6: Final answer
    x = 223,299.20

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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.