Home / 227,981.94-314,631.38-126,005.21

Finding the Fourth Proportional to 227,981.94, 314,631.38 and 126,005.21

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Solution

The fourth proportional to 227,981.94, 314,631.38 and 126,005.21 is: 173,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,981.94 : 314,631.38 = 126,005.21 : x
  2. Step 2: Convert to fraction form
    227,981.94/314,631.38 = 126,005.21/x
  3. Step 3: Cross multiply
    227,981.94x = 314,631.38 × 126,005.21
  4. Step 4: Simplify right side
    227,981.94x = 39,645,193,266.04
  5. Step 5: Solve for x
    x = 39,645,193,266.04/227,981.94
  6. Step 6: Final answer
    x = 173,896.20

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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.