Home / 208,579.52-288,077.28-141,394.88

Finding the Fourth Proportional to 208,579.52, 288,077.28 and 141,394.88

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Solution

The fourth proportional to 208,579.52, 288,077.28 and 141,394.88 is: 195,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,579.52 : 288,077.28 = 141,394.88 : x
  2. Step 2: Convert to fraction form
    208,579.52/288,077.28 = 141,394.88/x
  3. Step 3: Cross multiply
    208,579.52x = 288,077.28 × 141,394.88
  4. Step 4: Simplify right side
    208,579.52x = 40,732,652,436.33
  5. Step 5: Solve for x
    x = 40,732,652,436.33/208,579.52
  6. Step 6: Final answer
    x = 195,285.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.