Home / 205,999.03-284,286.71-115,354.16

Finding the Fourth Proportional to 205,999.03, 284,286.71 and 115,354.16

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Solution

The fourth proportional to 205,999.03, 284,286.71 and 115,354.16 is: 159,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,999.03 : 284,286.71 = 115,354.16 : x
  2. Step 2: Convert to fraction form
    205,999.03/284,286.71 = 115,354.16/x
  3. Step 3: Cross multiply
    205,999.03x = 284,286.71 × 115,354.16
  4. Step 4: Simplify right side
    205,999.03x = 32,793,654,564.24
  5. Step 5: Solve for x
    x = 32,793,654,564.24/205,999.03
  6. Step 6: Final answer
    x = 159,193.25

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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.