Home / 133,218.80-199,809.96-44,470.28

Finding the Fourth Proportional to 133,218.80, 199,809.96 and 44,470.28

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Solution

The fourth proportional to 133,218.80, 199,809.96 and 44,470.28 is: 66,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,218.80 : 199,809.96 = 44,470.28 : x
  2. Step 2: Convert to fraction form
    133,218.80/199,809.96 = 44,470.28/x
  3. Step 3: Cross multiply
    133,218.80x = 199,809.96 × 44,470.28
  4. Step 4: Simplify right side
    133,218.80x = 8,885,604,867.99
  5. Step 5: Solve for x
    x = 8,885,604,867.99/133,218.80
  6. Step 6: Final answer
    x = 66,699.33

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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.