Home / 205,541.07-283,640.72-114,897.21

Finding the Fourth Proportional to 205,541.07, 283,640.72 and 114,897.21

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Solution

The fourth proportional to 205,541.07, 283,640.72 and 114,897.21 is: 158,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,541.07 : 283,640.72 = 114,897.21 : x
  2. Step 2: Convert to fraction form
    205,541.07/283,640.72 = 114,897.21/x
  3. Step 3: Cross multiply
    205,541.07x = 283,640.72 × 114,897.21
  4. Step 4: Simplify right side
    205,541.07x = 32,589,526,795.91
  5. Step 5: Solve for x
    x = 32,589,526,795.91/205,541.07
  6. Step 6: Final answer
    x = 158,554.82

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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.