Home / 122,981.70-184,558.95-52,911.30

Finding the Fourth Proportional to 122,981.70, 184,558.95 and 52,911.30

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Solution

The fourth proportional to 122,981.70, 184,558.95 and 52,911.30 is: 79,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,981.70 : 184,558.95 = 52,911.30 : x
  2. Step 2: Convert to fraction form
    122,981.70/184,558.95 = 52,911.30/x
  3. Step 3: Cross multiply
    122,981.70x = 184,558.95 × 52,911.30
  4. Step 4: Simplify right side
    122,981.70x = 9,765,253,971.14
  5. Step 5: Solve for x
    x = 9,765,253,971.14/122,981.70
  6. Step 6: Final answer
    x = 79,404.12

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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.