Home / 193,157.28-289,815.64-104,306.16

Finding the Fourth Proportional to 193,157.28, 289,815.64 and 104,306.16

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Solution

The fourth proportional to 193,157.28, 289,815.64 and 104,306.16 is: 156,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,157.28 : 289,815.64 = 104,306.16 : x
  2. Step 2: Convert to fraction form
    193,157.28/289,815.64 = 104,306.16/x
  3. Step 3: Cross multiply
    193,157.28x = 289,815.64 × 104,306.16
  4. Step 4: Simplify right side
    193,157.28x = 30,229,556,516.34
  5. Step 5: Solve for x
    x = 30,229,556,516.34/193,157.28
  6. Step 6: Final answer
    x = 156,502.29

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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.