Home / 127,683.54-176,195.79-73,965.06

Finding the Fourth Proportional to 127,683.54, 176,195.79 and 73,965.06

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Solution

The fourth proportional to 127,683.54, 176,195.79 and 73,965.06 is: 102,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683.54 : 176,195.79 = 73,965.06 : x
  2. Step 2: Convert to fraction form
    127,683.54/176,195.79 = 73,965.06/x
  3. Step 3: Cross multiply
    127,683.54x = 176,195.79 × 73,965.06
  4. Step 4: Simplify right side
    127,683.54x = 13,032,332,179.10
  5. Step 5: Solve for x
    x = 13,032,332,179.10/127,683.54
  6. Step 6: Final answer
    x = 102,067.44

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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.