Home / 272,441.64-408,677.81-82,908.17

Finding the Fourth Proportional to 272,441.64, 408,677.81 and 82,908.17

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Solution

The fourth proportional to 272,441.64, 408,677.81 and 82,908.17 is: 124,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,441.64 : 408,677.81 = 82,908.17 : x
  2. Step 2: Convert to fraction form
    272,441.64/408,677.81 = 82,908.17/x
  3. Step 3: Cross multiply
    272,441.64x = 408,677.81 × 82,908.17
  4. Step 4: Simplify right side
    272,441.64x = 33,882,729,346.71
  5. Step 5: Solve for x
    x = 33,882,729,346.71/272,441.64
  6. Step 6: Final answer
    x = 124,366.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.