Home / 368,579.52-552,519-144,083.88

Finding the Fourth Proportional to 368,579.52, 552,519 and 144,083.88

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Solution

The fourth proportional to 368,579.52, 552,519 and 144,083.88 is: 215,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,579.52 : 552,519 = 144,083.88 : x
  2. Step 2: Convert to fraction form
    368,579.52/552,519 = 144,083.88/x
  3. Step 3: Cross multiply
    368,579.52x = 552,519 × 144,083.88
  4. Step 4: Simplify right side
    368,579.52x = 79,609,081,293.72
  5. Step 5: Solve for x
    x = 79,609,081,293.72/368,579.52
  6. Step 6: Final answer
    x = 215,988.89

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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.