Home / 122,548.80-183,823.20-43,665.60

Finding the Fourth Proportional to 122,548.80, 183,823.20 and 43,665.60

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Solution

The fourth proportional to 122,548.80, 183,823.20 and 43,665.60 is: 65,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,548.80 : 183,823.20 = 43,665.60 : x
  2. Step 2: Convert to fraction form
    122,548.80/183,823.20 = 43,665.60/x
  3. Step 3: Cross multiply
    122,548.80x = 183,823.20 × 43,665.60
  4. Step 4: Simplify right side
    122,548.80x = 8,026,750,321.92
  5. Step 5: Solve for x
    x = 8,026,750,321.92/122,548.80
  6. Step 6: Final answer
    x = 65,498.40

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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.