Home / 208,829.94-288,185.51-113,336.66

Finding the Fourth Proportional to 208,829.94, 288,185.51 and 113,336.66

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Solution

The fourth proportional to 208,829.94, 288,185.51 and 113,336.66 is: 156,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,829.94 : 288,185.51 = 113,336.66 : x
  2. Step 2: Convert to fraction form
    208,829.94/288,185.51 = 113,336.66/x
  3. Step 3: Cross multiply
    208,829.94x = 288,185.51 × 113,336.66
  4. Step 4: Simplify right side
    208,829.94x = 32,661,983,163.80
  5. Step 5: Solve for x
    x = 32,661,983,163.80/208,829.94
  6. Step 6: Final answer
    x = 156,404.70

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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.