Home / 172,204.83-258,307.24-53,877.19

Finding the Fourth Proportional to 172,204.83, 258,307.24 and 53,877.19

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Solution

The fourth proportional to 172,204.83, 258,307.24 and 53,877.19 is: 80,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,204.83 : 258,307.24 = 53,877.19 : x
  2. Step 2: Convert to fraction form
    172,204.83/258,307.24 = 53,877.19/x
  3. Step 3: Cross multiply
    172,204.83x = 258,307.24 × 53,877.19
  4. Step 4: Simplify right side
    172,204.83x = 13,916,868,247.86
  5. Step 5: Solve for x
    x = 13,916,868,247.86/172,204.83
  6. Step 6: Final answer
    x = 80,815.78

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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.