Home / 188,339.19-259,734.24-127,999.86

Finding the Fourth Proportional to 188,339.19, 259,734.24 and 127,999.86

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Solution

The fourth proportional to 188,339.19, 259,734.24 and 127,999.86 is: 176,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,339.19 : 259,734.24 = 127,999.86 : x
  2. Step 2: Convert to fraction form
    188,339.19/259,734.24 = 127,999.86/x
  3. Step 3: Cross multiply
    188,339.19x = 259,734.24 × 127,999.86
  4. Step 4: Simplify right side
    188,339.19x = 33,245,946,357.21
  5. Step 5: Solve for x
    x = 33,245,946,357.21/188,339.19
  6. Step 6: Final answer
    x = 176,521.66

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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.