Home / 185,051.52-255,371.40-100,168.92

Finding the Fourth Proportional to 185,051.52, 255,371.40 and 100,168.92

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Solution

The fourth proportional to 185,051.52, 255,371.40 and 100,168.92 is: 138,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,051.52 : 255,371.40 = 100,168.92 : x
  2. Step 2: Convert to fraction form
    185,051.52/255,371.40 = 100,168.92/x
  3. Step 3: Cross multiply
    185,051.52x = 255,371.40 × 100,168.92
  4. Step 4: Simplify right side
    185,051.52x = 25,580,277,336.89
  5. Step 5: Solve for x
    x = 25,580,277,336.89/185,051.52
  6. Step 6: Final answer
    x = 138,233.27

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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.