Home / 226,938.50-340,328.30-66,971.98

Finding the Fourth Proportional to 226,938.50, 340,328.30 and 66,971.98

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Solution

The fourth proportional to 226,938.50, 340,328.30 and 66,971.98 is: 100,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,938.50 : 340,328.30 = 66,971.98 : x
  2. Step 2: Convert to fraction form
    226,938.50/340,328.30 = 66,971.98/x
  3. Step 3: Cross multiply
    226,938.50x = 340,328.30 × 66,971.98
  4. Step 4: Simplify right side
    226,938.50x = 22,792,458,850.00
  5. Step 5: Solve for x
    x = 22,792,458,850.00/226,938.50
  6. Step 6: Final answer
    x = 100,434.52

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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.