Home / 208,051.97-312,176.67-144,108.43

Finding the Fourth Proportional to 208,051.97, 312,176.67 and 144,108.43

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Solution

The fourth proportional to 208,051.97, 312,176.67 and 144,108.43 is: 216,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,051.97 : 312,176.67 = 144,108.43 : x
  2. Step 2: Convert to fraction form
    208,051.97/312,176.67 = 144,108.43/x
  3. Step 3: Cross multiply
    208,051.97x = 312,176.67 × 144,108.43
  4. Step 4: Simplify right side
    208,051.97x = 44,987,291,042.08
  5. Step 5: Solve for x
    x = 44,987,291,042.08/208,051.97
  6. Step 6: Final answer
    x = 216,231.03

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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.