Home / 200,839.52-300,939.48-106,066.16

Finding the Fourth Proportional to 200,839.52, 300,939.48 and 106,066.16

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Solution

The fourth proportional to 200,839.52, 300,939.48 and 106,066.16 is: 158,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,839.52 : 300,939.48 = 106,066.16 : x
  2. Step 2: Convert to fraction form
    200,839.52/300,939.48 = 106,066.16/x
  3. Step 3: Cross multiply
    200,839.52x = 300,939.48 × 106,066.16
  4. Step 4: Simplify right side
    200,839.52x = 31,919,495,036.00
  5. Step 5: Solve for x
    x = 31,919,495,036.00/200,839.52
  6. Step 6: Final answer
    x = 158,930.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.