Home / 185,786.74-256,386.19-109,308.71

Finding the Fourth Proportional to 185,786.74, 256,386.19 and 109,308.71

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Solution

The fourth proportional to 185,786.74, 256,386.19 and 109,308.71 is: 150,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,786.74 : 256,386.19 = 109,308.71 : x
  2. Step 2: Convert to fraction form
    185,786.74/256,386.19 = 109,308.71/x
  3. Step 3: Cross multiply
    185,786.74x = 256,386.19 × 109,308.71
  4. Step 4: Simplify right side
    185,786.74x = 28,025,243,690.71
  5. Step 5: Solve for x
    x = 28,025,243,690.71/185,786.74
  6. Step 6: Final answer
    x = 150,846.31

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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.