Home / 107,380.23-160,884.30-65,171.87

Finding the Fourth Proportional to 107,380.23, 160,884.30 and 65,171.87

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Solution

The fourth proportional to 107,380.23, 160,884.30 and 65,171.87 is: 97,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,380.23 : 160,884.30 = 65,171.87 : x
  2. Step 2: Convert to fraction form
    107,380.23/160,884.30 = 65,171.87/x
  3. Step 3: Cross multiply
    107,380.23x = 160,884.30 × 65,171.87
  4. Step 4: Simplify right side
    107,380.23x = 10,485,130,358.78
  5. Step 5: Solve for x
    x = 10,485,130,358.78/107,380.23
  6. Step 6: Final answer
    x = 97,644.89

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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.