Home / 185,358.42-255,821.88-117,381.60

Finding the Fourth Proportional to 185,358.42, 255,821.88 and 117,381.60

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Solution

The fourth proportional to 185,358.42, 255,821.88 and 117,381.60 is: 162,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,358.42 : 255,821.88 = 117,381.60 : x
  2. Step 2: Convert to fraction form
    185,358.42/255,821.88 = 117,381.60/x
  3. Step 3: Cross multiply
    185,358.42x = 255,821.88 × 117,381.60
  4. Step 4: Simplify right side
    185,358.42x = 30,028,781,589.41
  5. Step 5: Solve for x
    x = 30,028,781,589.41/185,358.42
  6. Step 6: Final answer
    x = 162,003.87

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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.