Home / 213,112.40-294,133.19-127,076.94

Finding the Fourth Proportional to 213,112.40, 294,133.19 and 127,076.94

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Solution

The fourth proportional to 213,112.40, 294,133.19 and 127,076.94 is: 175,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,112.40 : 294,133.19 = 127,076.94 : x
  2. Step 2: Convert to fraction form
    213,112.40/294,133.19 = 127,076.94/x
  3. Step 3: Cross multiply
    213,112.40x = 294,133.19 × 127,076.94
  4. Step 4: Simplify right side
    213,112.40x = 37,377,545,102.25
  5. Step 5: Solve for x
    x = 37,377,545,102.25/213,112.40
  6. Step 6: Final answer
    x = 175,388.88

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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.