Home / 213,266.62-320,096.76-108,159.40

Finding the Fourth Proportional to 213,266.62, 320,096.76 and 108,159.40

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Solution

The fourth proportional to 213,266.62, 320,096.76 and 108,159.40 is: 162,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,266.62 : 320,096.76 = 108,159.40 : x
  2. Step 2: Convert to fraction form
    213,266.62/320,096.76 = 108,159.40/x
  3. Step 3: Cross multiply
    213,266.62x = 320,096.76 × 108,159.40
  4. Step 4: Simplify right side
    213,266.62x = 34,621,471,362.26
  5. Step 5: Solve for x
    x = 34,621,471,362.26/213,266.62
  6. Step 6: Final answer
    x = 162,338.92

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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.