Home / 193,358.36-266,820.90-107,321.72

Finding the Fourth Proportional to 193,358.36, 266,820.90 and 107,321.72

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Solution

The fourth proportional to 193,358.36, 266,820.90 and 107,321.72 is: 148,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,358.36 : 266,820.90 = 107,321.72 : x
  2. Step 2: Convert to fraction form
    193,358.36/266,820.90 = 107,321.72/x
  3. Step 3: Cross multiply
    193,358.36x = 266,820.90 × 107,321.72
  4. Step 4: Simplify right side
    193,358.36x = 28,635,677,919.95
  5. Step 5: Solve for x
    x = 28,635,677,919.95/193,358.36
  6. Step 6: Final answer
    x = 148,096.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.