Home / 220,640.44-304,495.56-125,177.80

Finding the Fourth Proportional to 220,640.44, 304,495.56 and 125,177.80

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Solution

The fourth proportional to 220,640.44, 304,495.56 and 125,177.80 is: 172,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,640.44 : 304,495.56 = 125,177.80 : x
  2. Step 2: Convert to fraction form
    220,640.44/304,495.56 = 125,177.80/x
  3. Step 3: Cross multiply
    220,640.44x = 304,495.56 × 125,177.80
  4. Step 4: Simplify right side
    220,640.44x = 38,116,084,310.57
  5. Step 5: Solve for x
    x = 38,116,084,310.57/220,640.44
  6. Step 6: Final answer
    x = 172,752.03

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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.