Home / 185,359.46-255,796.38-100,476.72

Finding the Fourth Proportional to 185,359.46, 255,796.38 and 100,476.72

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Solution

The fourth proportional to 185,359.46, 255,796.38 and 100,476.72 is: 138,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,359.46 : 255,796.38 = 100,476.72 : x
  2. Step 2: Convert to fraction form
    185,359.46/255,796.38 = 100,476.72/x
  3. Step 3: Cross multiply
    185,359.46x = 255,796.38 × 100,476.72
  4. Step 4: Simplify right side
    185,359.46x = 25,701,581,250.27
  5. Step 5: Solve for x
    x = 25,701,581,250.27/185,359.46
  6. Step 6: Final answer
    x = 138,658.05

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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.