Home / 136,270.20-204,113.70-112,942.20

Finding the Fourth Proportional to 136,270.20, 204,113.70 and 112,942.20

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Solution

The fourth proportional to 136,270.20, 204,113.70 and 112,942.20 is: 169,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270.20 : 204,113.70 = 112,942.20 : x
  2. Step 2: Convert to fraction form
    136,270.20/204,113.70 = 112,942.20/x
  3. Step 3: Cross multiply
    136,270.20x = 204,113.70 × 112,942.20
  4. Step 4: Simplify right side
    136,270.20x = 23,053,050,328.14
  5. Step 5: Solve for x
    x = 23,053,050,328.14/136,270.20
  6. Step 6: Final answer
    x = 169,171.62

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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.