Home / 122,974.07-184,467.76-38,740.86

Finding the Fourth Proportional to 122,974.07, 184,467.76 and 38,740.86

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Solution

The fourth proportional to 122,974.07, 184,467.76 and 38,740.86 is: 58,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,974.07 : 184,467.76 = 38,740.86 : x
  2. Step 2: Convert to fraction form
    122,974.07/184,467.76 = 38,740.86/x
  3. Step 3: Cross multiply
    122,974.07x = 184,467.76 × 38,740.86
  4. Step 4: Simplify right side
    122,974.07x = 7,146,439,567.82
  5. Step 5: Solve for x
    x = 7,146,439,567.82/122,974.07
  6. Step 6: Final answer
    x = 58,113.39

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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.