Home / 492,208.27-738,354.09-137,222.63

Finding the Fourth Proportional to 492,208.27, 738,354.09 and 137,222.63

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Solution

The fourth proportional to 492,208.27, 738,354.09 and 137,222.63 is: 205,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,208.27 : 738,354.09 = 137,222.63 : x
  2. Step 2: Convert to fraction form
    492,208.27/738,354.09 = 137,222.63/x
  3. Step 3: Cross multiply
    492,208.27x = 738,354.09 × 137,222.63
  4. Step 4: Simplify right side
    492,208.27x = 101,318,890,101.06
  5. Step 5: Solve for x
    x = 101,318,890,101.06/492,208.27
  6. Step 6: Final answer
    x = 205,845.57

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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.