Home / 213,266.12-320,096.00-108,158.90

Finding the Fourth Proportional to 213,266.12, 320,096.00 and 108,158.90

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Solution

The fourth proportional to 213,266.12, 320,096.00 and 108,158.90 is: 162,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,266.12 : 320,096.00 = 108,158.90 : x
  2. Step 2: Convert to fraction form
    213,266.12/320,096.00 = 108,158.90/x
  3. Step 3: Cross multiply
    213,266.12x = 320,096.00 × 108,158.90
  4. Step 4: Simplify right side
    213,266.12x = 34,621,229,924.32
  5. Step 5: Solve for x
    x = 34,621,229,924.32/213,266.12
  6. Step 6: Final answer
    x = 162,338.17

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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.