Home / 199,304.39-274,884.54-127,691.12

Finding the Fourth Proportional to 199,304.39, 274,884.54 and 127,691.12

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Solution

The fourth proportional to 199,304.39, 274,884.54 and 127,691.12 is: 176,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,304.39 : 274,884.54 = 127,691.12 : x
  2. Step 2: Convert to fraction form
    199,304.39/274,884.54 = 127,691.12/x
  3. Step 3: Cross multiply
    199,304.39x = 274,884.54 × 127,691.12
  4. Step 4: Simplify right side
    199,304.39x = 35,100,314,783.28
  5. Step 5: Solve for x
    x = 35,100,314,783.28/199,304.39
  6. Step 6: Final answer
    x = 176,114.11

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1.5x scale

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.