Home / 200,780.82-277,079.67-110,136.96

Finding the Fourth Proportional to 200,780.82, 277,079.67 and 110,136.96

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Solution

The fourth proportional to 200,780.82, 277,079.67 and 110,136.96 is: 151,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,780.82 : 277,079.67 = 110,136.96 : x
  2. Step 2: Convert to fraction form
    200,780.82/277,079.67 = 110,136.96/x
  3. Step 3: Cross multiply
    200,780.82x = 277,079.67 × 110,136.96
  4. Step 4: Simplify right side
    200,780.82x = 30,516,712,531.60
  5. Step 5: Solve for x
    x = 30,516,712,531.60/200,780.82
  6. Step 6: Final answer
    x = 151,990.18

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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.