Home / 122,880.11-184,391.82-51,798.40

Finding the Fourth Proportional to 122,880.11, 184,391.82 and 51,798.40

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Solution

The fourth proportional to 122,880.11, 184,391.82 and 51,798.40 is: 77,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,880.11 : 184,391.82 = 51,798.40 : x
  2. Step 2: Convert to fraction form
    122,880.11/184,391.82 = 51,798.40/x
  3. Step 3: Cross multiply
    122,880.11x = 184,391.82 × 51,798.40
  4. Step 4: Simplify right side
    122,880.11x = 9,551,200,901.73
  5. Step 5: Solve for x
    x = 9,551,200,901.73/122,880.11
  6. Step 6: Final answer
    x = 77,727.80

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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.