Home / 114,938.72-172,183.92-64,867.36

Finding the Fourth Proportional to 114,938.72, 172,183.92 and 64,867.36

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Solution

The fourth proportional to 114,938.72, 172,183.92 and 64,867.36 is: 97,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,938.72 : 172,183.92 = 64,867.36 : x
  2. Step 2: Convert to fraction form
    114,938.72/172,183.92 = 64,867.36/x
  3. Step 3: Cross multiply
    114,938.72x = 172,183.92 × 64,867.36
  4. Step 4: Simplify right side
    114,938.72x = 11,169,115,570.05
  5. Step 5: Solve for x
    x = 11,169,115,570.05/114,938.72
  6. Step 6: Final answer
    x = 97,174.52

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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.