Home / 331,259.28-457,103.46-186,081.36

Finding the Fourth Proportional to 331,259.28, 457,103.46 and 186,081.36

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Solution

The fourth proportional to 331,259.28, 457,103.46 and 186,081.36 is: 256,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,259.28 : 457,103.46 = 186,081.36 : x
  2. Step 2: Convert to fraction form
    331,259.28/457,103.46 = 186,081.36/x
  3. Step 3: Cross multiply
    331,259.28x = 457,103.46 × 186,081.36
  4. Step 4: Simplify right side
    331,259.28x = 85,058,433,497.51
  5. Step 5: Solve for x
    x = 85,058,433,497.51/331,259.28
  6. Step 6: Final answer
    x = 256,772.98

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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.