Home / 263,056.40-362,779.50-172,379.43

Finding the Fourth Proportional to 263,056.40, 362,779.50 and 172,379.43

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Solution

The fourth proportional to 263,056.40, 362,779.50 and 172,379.43 is: 237,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,056.40 : 362,779.50 = 172,379.43 : x
  2. Step 2: Convert to fraction form
    263,056.40/362,779.50 = 172,379.43/x
  3. Step 3: Cross multiply
    263,056.40x = 362,779.50 × 172,379.43
  4. Step 4: Simplify right side
    263,056.40x = 62,535,723,425.69
  5. Step 5: Solve for x
    x = 62,535,723,425.69/263,056.40
  6. Step 6: Final answer
    x = 237,727.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.