Home / 107,299.10-160,952.02-51,145.31

Finding the Fourth Proportional to 107,299.10, 160,952.02 and 51,145.31

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Solution

The fourth proportional to 107,299.10, 160,952.02 and 51,145.31 is: 76,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,299.10 : 160,952.02 = 51,145.31 : x
  2. Step 2: Convert to fraction form
    107,299.10/160,952.02 = 51,145.31/x
  3. Step 3: Cross multiply
    107,299.10x = 160,952.02 × 51,145.31
  4. Step 4: Simplify right side
    107,299.10x = 8,231,940,153.27
  5. Step 5: Solve for x
    x = 8,231,940,153.27/107,299.10
  6. Step 6: Final answer
    x = 76,719.57

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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.