Home / 118,400.66-176,737.26-103,453.73

Finding the Fourth Proportional to 118,400.66, 176,737.26 and 103,453.73

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Solution

The fourth proportional to 118,400.66, 176,737.26 and 103,453.73 is: 154,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,400.66 : 176,737.26 = 103,453.73 : x
  2. Step 2: Convert to fraction form
    118,400.66/176,737.26 = 103,453.73/x
  3. Step 3: Cross multiply
    118,400.66x = 176,737.26 × 103,453.73
  4. Step 4: Simplify right side
    118,400.66x = 18,284,128,776.98
  5. Step 5: Solve for x
    x = 18,284,128,776.98/118,400.66
  6. Step 6: Final answer
    x = 154,425.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.