Home / 330,063.30-455,488.82-186,851.04

Finding the Fourth Proportional to 330,063.30, 455,488.82 and 186,851.04

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Solution

The fourth proportional to 330,063.30, 455,488.82 and 186,851.04 is: 257,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,063.30 : 455,488.82 = 186,851.04 : x
  2. Step 2: Convert to fraction form
    330,063.30/455,488.82 = 186,851.04/x
  3. Step 3: Cross multiply
    330,063.30x = 455,488.82 × 186,851.04
  4. Step 4: Simplify right side
    330,063.30x = 85,108,559,725.37
  5. Step 5: Solve for x
    x = 85,108,559,725.37/330,063.30
  6. Step 6: Final answer
    x = 257,855.27

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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.