Home / 162,685.98-244,403.61-115,418.43

Finding the Fourth Proportional to 162,685.98, 244,403.61 and 115,418.43

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Solution

The fourth proportional to 162,685.98, 244,403.61 and 115,418.43 is: 173,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,685.98 : 244,403.61 = 115,418.43 : x
  2. Step 2: Convert to fraction form
    162,685.98/244,403.61 = 115,418.43/x
  3. Step 3: Cross multiply
    162,685.98x = 244,403.61 × 115,418.43
  4. Step 4: Simplify right side
    162,685.98x = 28,208,680,952.53
  5. Step 5: Solve for x
    x = 28,208,680,952.53/162,685.98
  6. Step 6: Final answer
    x = 173,393.44

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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.