Home / 199,299.39-274,877.64-127,686.12

Finding the Fourth Proportional to 199,299.39, 274,877.64 and 127,686.12

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Solution

The fourth proportional to 199,299.39, 274,877.64 and 127,686.12 is: 176,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,299.39 : 274,877.64 = 127,686.12 : x
  2. Step 2: Convert to fraction form
    199,299.39/274,877.64 = 127,686.12/x
  3. Step 3: Cross multiply
    199,299.39x = 274,877.64 × 127,686.12
  4. Step 4: Simplify right side
    199,299.39x = 35,098,059,326.36
  5. Step 5: Solve for x
    x = 35,098,059,326.36/199,299.39
  6. Step 6: Final answer
    x = 176,107.21

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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.