Home / 106,877.10-160,234.65-54,324.30

Finding the Fourth Proportional to 106,877.10, 160,234.65 and 54,324.30

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Solution

The fourth proportional to 106,877.10, 160,234.65 and 54,324.30 is: 81,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,877.10 : 160,234.65 = 54,324.30 : x
  2. Step 2: Convert to fraction form
    106,877.10/160,234.65 = 54,324.30/x
  3. Step 3: Cross multiply
    106,877.10x = 160,234.65 × 54,324.30
  4. Step 4: Simplify right side
    106,877.10x = 8,704,635,197.00
  5. Step 5: Solve for x
    x = 8,704,635,197.00/106,877.10
  6. Step 6: Final answer
    x = 81,445.28

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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.