Home / 122,055.78-183,084.28-43,170.08

Finding the Fourth Proportional to 122,055.78, 183,084.28 and 43,170.08

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Solution

The fourth proportional to 122,055.78, 183,084.28 and 43,170.08 is: 64,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,055.78 : 183,084.28 = 43,170.08 : x
  2. Step 2: Convert to fraction form
    122,055.78/183,084.28 = 43,170.08/x
  3. Step 3: Cross multiply
    122,055.78x = 183,084.28 × 43,170.08
  4. Step 4: Simplify right side
    122,055.78x = 7,903,763,014.34
  5. Step 5: Solve for x
    x = 7,903,763,014.34/122,055.78
  6. Step 6: Final answer
    x = 64,755.34

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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.