Home / 220,605.75-331,048.60-94,246.94

Finding the Fourth Proportional to 220,605.75, 331,048.60 and 94,246.94

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Solution

The fourth proportional to 220,605.75, 331,048.60 and 94,246.94 is: 141,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,605.75 : 331,048.60 = 94,246.94 : x
  2. Step 2: Convert to fraction form
    220,605.75/331,048.60 = 94,246.94/x
  3. Step 3: Cross multiply
    220,605.75x = 331,048.60 × 94,246.94
  4. Step 4: Simplify right side
    220,605.75x = 31,200,317,541.28
  5. Step 5: Solve for x
    x = 31,200,317,541.28/220,605.75
  6. Step 6: Final answer
    x = 141,430.21

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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.