Home / 125,285.46-187,902.69-46,380.93

Finding the Fourth Proportional to 125,285.46, 187,902.69 and 46,380.93

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Solution

The fourth proportional to 125,285.46, 187,902.69 and 46,380.93 is: 69,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,285.46 : 187,902.69 = 46,380.93 : x
  2. Step 2: Convert to fraction form
    125,285.46/187,902.69 = 46,380.93/x
  3. Step 3: Cross multiply
    125,285.46x = 187,902.69 × 46,380.93
  4. Step 4: Simplify right side
    125,285.46x = 8,715,101,511.70
  5. Step 5: Solve for x
    x = 8,715,101,511.70/125,285.46
  6. Step 6: Final answer
    x = 69,561.95

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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.