Home / 185,134.12-277,478.56-85,156.52

Finding the Fourth Proportional to 185,134.12, 277,478.56 and 85,156.52

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Solution

The fourth proportional to 185,134.12, 277,478.56 and 85,156.52 is: 127,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,134.12 : 277,478.56 = 85,156.52 : x
  2. Step 2: Convert to fraction form
    185,134.12/277,478.56 = 85,156.52/x
  3. Step 3: Cross multiply
    185,134.12x = 277,478.56 × 85,156.52
  4. Step 4: Simplify right side
    185,134.12x = 23,629,108,544.21
  5. Step 5: Solve for x
    x = 23,629,108,544.21/185,134.12
  6. Step 6: Final answer
    x = 127,632.38

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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.