Home / 200,780.42-277,038.60-114,766.65

Finding the Fourth Proportional to 200,780.42, 277,038.60 and 114,766.65

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Solution

The fourth proportional to 200,780.42, 277,038.60 and 114,766.65 is: 158,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,780.42 : 277,038.60 = 114,766.65 : x
  2. Step 2: Convert to fraction form
    200,780.42/277,038.60 = 114,766.65/x
  3. Step 3: Cross multiply
    200,780.42x = 277,038.60 × 114,766.65
  4. Step 4: Simplify right side
    200,780.42x = 31,794,791,801.49
  5. Step 5: Solve for x
    x = 31,794,791,801.49/200,780.42
  6. Step 6: Final answer
    x = 158,356.04

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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.