Home / 200,781.42-277,039.98-114,767.65

Finding the Fourth Proportional to 200,781.42, 277,039.98 and 114,767.65

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Solution

The fourth proportional to 200,781.42, 277,039.98 and 114,767.65 is: 158,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,781.42 : 277,039.98 = 114,767.65 : x
  2. Step 2: Convert to fraction form
    200,781.42/277,039.98 = 114,767.65/x
  3. Step 3: Cross multiply
    200,781.42x = 277,039.98 × 114,767.65
  4. Step 4: Simplify right side
    200,781.42x = 31,795,227,460.65
  5. Step 5: Solve for x
    x = 31,795,227,460.65/200,781.42
  6. Step 6: Final answer
    x = 158,357.42

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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.