Home / 208,902.24-288,089.28-161,079.84

Finding the Fourth Proportional to 208,902.24, 288,089.28 and 161,079.84

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Solution

The fourth proportional to 208,902.24, 288,089.28 and 161,079.84 is: 222,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,902.24 : 288,089.28 = 161,079.84 : x
  2. Step 2: Convert to fraction form
    208,902.24/288,089.28 = 161,079.84/x
  3. Step 3: Cross multiply
    208,902.24x = 288,089.28 × 161,079.84
  4. Step 4: Simplify right side
    208,902.24x = 46,405,375,128.12
  5. Step 5: Solve for x
    x = 46,405,375,128.12/208,902.24
  6. Step 6: Final answer
    x = 222,139.19

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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.