Home / 290,754.09-436,131.22-119,973.31

Finding the Fourth Proportional to 290,754.09, 436,131.22 and 119,973.31

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Solution

The fourth proportional to 290,754.09, 436,131.22 and 119,973.31 is: 179,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,754.09 : 436,131.22 = 119,973.31 : x
  2. Step 2: Convert to fraction form
    290,754.09/436,131.22 = 119,973.31/x
  3. Step 3: Cross multiply
    290,754.09x = 436,131.22 × 119,973.31
  4. Step 4: Simplify right side
    290,754.09x = 52,324,106,057.74
  5. Step 5: Solve for x
    x = 52,324,106,057.74/290,754.09
  6. Step 6: Final answer
    x = 179,960.00

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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.