Home / 336,891.20-505,043.04-126,472.64

Finding the Fourth Proportional to 336,891.20, 505,043.04 and 126,472.64

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Solution

The fourth proportional to 336,891.20, 505,043.04 and 126,472.64 is: 189,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,891.20 : 505,043.04 = 126,472.64 : x
  2. Step 2: Convert to fraction form
    336,891.20/505,043.04 = 126,472.64/x
  3. Step 3: Cross multiply
    336,891.20x = 505,043.04 × 126,472.64
  4. Step 4: Simplify right side
    336,891.20x = 63,874,126,582.43
  5. Step 5: Solve for x
    x = 63,874,126,582.43/336,891.20
  6. Step 6: Final answer
    x = 189,598.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.