Home / 174,691.07-261,849.75-79,779.03

Finding the Fourth Proportional to 174,691.07, 261,849.75 and 79,779.03

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Solution

The fourth proportional to 174,691.07, 261,849.75 and 79,779.03 is: 119,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,691.07 : 261,849.75 = 79,779.03 : x
  2. Step 2: Convert to fraction form
    174,691.07/261,849.75 = 79,779.03/x
  3. Step 3: Cross multiply
    174,691.07x = 261,849.75 × 79,779.03
  4. Step 4: Simplify right side
    174,691.07x = 20,890,118,377.98
  5. Step 5: Solve for x
    x = 20,890,118,377.98/174,691.07
  6. Step 6: Final answer
    x = 119,583.21

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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.