Home / 122,518.20-183,777.30-52,404.60

Finding the Fourth Proportional to 122,518.20, 183,777.30 and 52,404.60

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Solution

The fourth proportional to 122,518.20, 183,777.30 and 52,404.60 is: 78,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,518.20 : 183,777.30 = 52,404.60 : x
  2. Step 2: Convert to fraction form
    122,518.20/183,777.30 = 52,404.60/x
  3. Step 3: Cross multiply
    122,518.20x = 183,777.30 × 52,404.60
  4. Step 4: Simplify right side
    122,518.20x = 9,630,775,895.58
  5. Step 5: Solve for x
    x = 9,630,775,895.58/122,518.20
  6. Step 6: Final answer
    x = 78,606.90

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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.