Home / 456,928.63-685,372.25-119,961.34

Finding the Fourth Proportional to 456,928.63, 685,372.25 and 119,961.34

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Solution

The fourth proportional to 456,928.63, 685,372.25 and 119,961.34 is: 179,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,928.63 : 685,372.25 = 119,961.34 : x
  2. Step 2: Convert to fraction form
    456,928.63/685,372.25 = 119,961.34/x
  3. Step 3: Cross multiply
    456,928.63x = 685,372.25 × 119,961.34
  4. Step 4: Simplify right side
    456,928.63x = 82,218,172,909.01
  5. Step 5: Solve for x
    x = 82,218,172,909.01/456,928.63
  6. Step 6: Final answer
    x = 179,936.58

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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.