Home / 213,743.52-294,918.30-127,679.40

Finding the Fourth Proportional to 213,743.52, 294,918.30 and 127,679.40

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Solution

The fourth proportional to 213,743.52, 294,918.30 and 127,679.40 is: 176,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,743.52 : 294,918.30 = 127,679.40 : x
  2. Step 2: Convert to fraction form
    213,743.52/294,918.30 = 127,679.40/x
  3. Step 3: Cross multiply
    213,743.52x = 294,918.30 × 127,679.40
  4. Step 4: Simplify right side
    213,743.52x = 37,654,991,593.02
  5. Step 5: Solve for x
    x = 37,654,991,593.02/213,743.52
  6. Step 6: Final answer
    x = 176,169.04

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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.