Home / 118,896.46-178,417.14-47,805.76

Finding the Fourth Proportional to 118,896.46, 178,417.14 and 47,805.76

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Solution

The fourth proportional to 118,896.46, 178,417.14 and 47,805.76 is: 71,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,896.46 : 178,417.14 = 47,805.76 : x
  2. Step 2: Convert to fraction form
    118,896.46/178,417.14 = 47,805.76/x
  3. Step 3: Cross multiply
    118,896.46x = 178,417.14 × 47,805.76
  4. Step 4: Simplify right side
    118,896.46x = 8,529,366,974.73
  5. Step 5: Solve for x
    x = 8,529,366,974.73/118,896.46
  6. Step 6: Final answer
    x = 71,737.77

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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.