Home / 156,941.28-216,626.40-106,669.44

Finding the Fourth Proportional to 156,941.28, 216,626.40 and 106,669.44

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Solution

The fourth proportional to 156,941.28, 216,626.40 and 106,669.44 is: 147,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.28 : 216,626.40 = 106,669.44 : x
  2. Step 2: Convert to fraction form
    156,941.28/216,626.40 = 106,669.44/x
  3. Step 3: Cross multiply
    156,941.28x = 216,626.40 × 106,669.44
  4. Step 4: Simplify right side
    156,941.28x = 23,107,416,777.22
  5. Step 5: Solve for x
    x = 23,107,416,777.22/156,941.28
  6. Step 6: Final answer
    x = 147,236.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.