Home / 122,155.18-183,170.85-43,258.30

Finding the Fourth Proportional to 122,155.18, 183,170.85 and 43,258.30

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Solution

The fourth proportional to 122,155.18, 183,170.85 and 43,258.30 is: 64,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,155.18 : 183,170.85 = 43,258.30 : x
  2. Step 2: Convert to fraction form
    122,155.18/183,170.85 = 43,258.30/x
  3. Step 3: Cross multiply
    122,155.18x = 183,170.85 × 43,258.30
  4. Step 4: Simplify right side
    122,155.18x = 7,923,659,580.56
  5. Step 5: Solve for x
    x = 7,923,659,580.56/122,155.18
  6. Step 6: Final answer
    x = 64,865.52

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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.