Home / 185,186.52-277,556.76-85,209.84

Finding the Fourth Proportional to 185,186.52, 277,556.76 and 85,209.84

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Solution

The fourth proportional to 185,186.52, 277,556.76 and 85,209.84 is: 127,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,186.52 : 277,556.76 = 85,209.84 : x
  2. Step 2: Convert to fraction form
    185,186.52/277,556.76 = 85,209.84/x
  3. Step 3: Cross multiply
    185,186.52x = 277,556.76 × 85,209.84
  4. Step 4: Simplify right side
    185,186.52x = 23,650,567,110.52
  5. Step 5: Solve for x
    x = 23,650,567,110.52/185,186.52
  6. Step 6: Final answer
    x = 127,712.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.