Home / 104,621.60-156,932.40-100,539.20

Finding the Fourth Proportional to 104,621.60, 156,932.40 and 100,539.20

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Solution

The fourth proportional to 104,621.60, 156,932.40 and 100,539.20 is: 150,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.60 : 156,932.40 = 100,539.20 : x
  2. Step 2: Convert to fraction form
    104,621.60/156,932.40 = 100,539.20/x
  3. Step 3: Cross multiply
    104,621.60x = 156,932.40 × 100,539.20
  4. Step 4: Simplify right side
    104,621.60x = 15,777,857,950.08
  5. Step 5: Solve for x
    x = 15,777,857,950.08/104,621.60
  6. Step 6: Final answer
    x = 150,808.80

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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.