Home / 380,845.44-571,348.26-144,182.88

Finding the Fourth Proportional to 380,845.44, 571,348.26 and 144,182.88

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Solution

The fourth proportional to 380,845.44, 571,348.26 and 144,182.88 is: 216,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,845.44 : 571,348.26 = 144,182.88 : x
  2. Step 2: Convert to fraction form
    380,845.44/571,348.26 = 144,182.88/x
  3. Step 3: Cross multiply
    380,845.44x = 571,348.26 × 144,182.88
  4. Step 4: Simplify right side
    380,845.44x = 82,378,637,609.79
  5. Step 5: Solve for x
    x = 82,378,637,609.79/380,845.44
  6. Step 6: Final answer
    x = 216,304.64

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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.