Home / 276,715.04-415,072.67-213,627.29

Finding the Fourth Proportional to 276,715.04, 415,072.67 and 213,627.29

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Solution

The fourth proportional to 276,715.04, 415,072.67 and 213,627.29 is: 320,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,715.04 : 415,072.67 = 213,627.29 : x
  2. Step 2: Convert to fraction form
    276,715.04/415,072.67 = 213,627.29/x
  3. Step 3: Cross multiply
    276,715.04x = 415,072.67 × 213,627.29
  4. Step 4: Simplify right side
    276,715.04x = 88,670,846,501.66
  5. Step 5: Solve for x
    x = 88,670,846,501.66/276,715.04
  6. Step 6: Final answer
    x = 320,441.01

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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.