Home / 329,747.09-455,043.56-186,506.96

Finding the Fourth Proportional to 329,747.09, 455,043.56 and 186,506.96

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Solution

The fourth proportional to 329,747.09, 455,043.56 and 186,506.96 is: 257,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,747.09 : 455,043.56 = 186,506.96 : x
  2. Step 2: Convert to fraction form
    329,747.09/455,043.56 = 186,506.96/x
  3. Step 3: Cross multiply
    329,747.09x = 455,043.56 × 186,506.96
  4. Step 4: Simplify right side
    329,747.09x = 84,868,787,835.43
  5. Step 5: Solve for x
    x = 84,868,787,835.43/329,747.09
  6. Step 6: Final answer
    x = 257,375.40

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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.