Home / 304,786.10-457,201.06-105,103.60

Finding the Fourth Proportional to 304,786.10, 457,201.06 and 105,103.60

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Solution

The fourth proportional to 304,786.10, 457,201.06 and 105,103.60 is: 157,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,786.10 : 457,201.06 = 105,103.60 : x
  2. Step 2: Convert to fraction form
    304,786.10/457,201.06 = 105,103.60/x
  3. Step 3: Cross multiply
    304,786.10x = 457,201.06 × 105,103.60
  4. Step 4: Simplify right side
    304,786.10x = 48,053,477,329.82
  5. Step 5: Solve for x
    x = 48,053,477,329.82/304,786.10
  6. Step 6: Final answer
    x = 157,662.96

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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.