Home / 185,042.72-255,125.92-151,016.64

Finding the Fourth Proportional to 185,042.72, 255,125.92 and 151,016.64

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Solution

The fourth proportional to 185,042.72, 255,125.92 and 151,016.64 is: 208,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,042.72 : 255,125.92 = 151,016.64 : x
  2. Step 2: Convert to fraction form
    185,042.72/255,125.92 = 151,016.64/x
  3. Step 3: Cross multiply
    185,042.72x = 255,125.92 × 151,016.64
  4. Step 4: Simplify right side
    185,042.72x = 38,528,259,215.31
  5. Step 5: Solve for x
    x = 38,528,259,215.31/185,042.72
  6. Step 6: Final answer
    x = 208,212.78

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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.