Home / 185,076.76-255,406.74-100,193.82

Finding the Fourth Proportional to 185,076.76, 255,406.74 and 100,193.82

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Solution

The fourth proportional to 185,076.76, 255,406.74 and 100,193.82 is: 138,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,076.76 : 255,406.74 = 100,193.82 : x
  2. Step 2: Convert to fraction form
    185,076.76/255,406.74 = 100,193.82/x
  3. Step 3: Cross multiply
    185,076.76x = 255,406.74 × 100,193.82
  4. Step 4: Simplify right side
    185,076.76x = 25,590,176,934.35
  5. Step 5: Solve for x
    x = 25,590,176,934.35/185,076.76
  6. Step 6: Final answer
    x = 138,267.91

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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.