Home / 185,017.73-255,324.46-100,134.79

Finding the Fourth Proportional to 185,017.73, 255,324.46 and 100,134.79

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Solution

The fourth proportional to 185,017.73, 255,324.46 and 100,134.79 is: 138,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,017.73 : 255,324.46 = 100,134.79 : x
  2. Step 2: Convert to fraction form
    185,017.73/255,324.46 = 100,134.79/x
  3. Step 3: Cross multiply
    185,017.73x = 255,324.46 × 100,134.79
  4. Step 4: Simplify right side
    185,017.73x = 25,566,859,907.34
  5. Step 5: Solve for x
    x = 25,566,859,907.34/185,017.73
  6. Step 6: Final answer
    x = 138,186.00

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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.