Home / 111,318.49-166,605.94-66,193.39

Finding the Fourth Proportional to 111,318.49, 166,605.94 and 66,193.39

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Solution

The fourth proportional to 111,318.49, 166,605.94 and 66,193.39 is: 99,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,318.49 : 166,605.94 = 66,193.39 : x
  2. Step 2: Convert to fraction form
    111,318.49/166,605.94 = 66,193.39/x
  3. Step 3: Cross multiply
    111,318.49x = 166,605.94 × 66,193.39
  4. Step 4: Simplify right side
    111,318.49x = 11,028,211,962.74
  5. Step 5: Solve for x
    x = 11,028,211,962.74/111,318.49
  6. Step 6: Final answer
    x = 99,069.00

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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.