Home / 172,567.04-258,743.34-72,675.80

Finding the Fourth Proportional to 172,567.04, 258,743.34 and 72,675.80

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Solution

The fourth proportional to 172,567.04, 258,743.34 and 72,675.80 is: 108,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,567.04 : 258,743.34 = 72,675.80 : x
  2. Step 2: Convert to fraction form
    172,567.04/258,743.34 = 72,675.80/x
  3. Step 3: Cross multiply
    172,567.04x = 258,743.34 × 72,675.80
  4. Step 4: Simplify right side
    172,567.04x = 18,804,379,229.17
  5. Step 5: Solve for x
    x = 18,804,379,229.17/172,567.04
  6. Step 6: Final answer
    x = 108,968.54

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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.