Home / 122,979.40-184,469.10-117,795.40

Finding the Fourth Proportional to 122,979.40, 184,469.10 and 117,795.40

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Solution

The fourth proportional to 122,979.40, 184,469.10 and 117,795.40 is: 176,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,979.40 : 184,469.10 = 117,795.40 : x
  2. Step 2: Convert to fraction form
    122,979.40/184,469.10 = 117,795.40/x
  3. Step 3: Cross multiply
    122,979.40x = 184,469.10 × 117,795.40
  4. Step 4: Simplify right side
    122,979.40x = 21,729,611,422.14
  5. Step 5: Solve for x
    x = 21,729,611,422.14/122,979.40
  6. Step 6: Final answer
    x = 176,693.10

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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.