Home / 133,032.06-199,584.54-66,391.74

Finding the Fourth Proportional to 133,032.06, 199,584.54 and 66,391.74

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Solution

The fourth proportional to 133,032.06, 199,584.54 and 66,391.74 is: 99,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.06 : 199,584.54 = 66,391.74 : x
  2. Step 2: Convert to fraction form
    133,032.06/199,584.54 = 66,391.74/x
  3. Step 3: Cross multiply
    133,032.06x = 199,584.54 × 66,391.74
  4. Step 4: Simplify right side
    133,032.06x = 13,250,764,887.70
  5. Step 5: Solve for x
    x = 13,250,764,887.70/133,032.06
  6. Step 6: Final answer
    x = 99,605.80

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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.