Home / 136,564.80-204,847.20-113,236.80

Finding the Fourth Proportional to 136,564.80, 204,847.20 and 113,236.80

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Solution

The fourth proportional to 136,564.80, 204,847.20 and 113,236.80 is: 169,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,564.80 : 204,847.20 = 113,236.80 : x
  2. Step 2: Convert to fraction form
    136,564.80/204,847.20 = 113,236.80/x
  3. Step 3: Cross multiply
    136,564.80x = 204,847.20 × 113,236.80
  4. Step 4: Simplify right side
    136,564.80x = 23,196,241,416.96
  5. Step 5: Solve for x
    x = 23,196,241,416.96/136,564.80
  6. Step 6: Final answer
    x = 169,855.20

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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.