Home / 304,786.20-457,179.30-127,234.20

Finding the Fourth Proportional to 304,786.20, 457,179.30 and 127,234.20

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Solution

The fourth proportional to 304,786.20, 457,179.30 and 127,234.20 is: 190,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,786.20 : 457,179.30 = 127,234.20 : x
  2. Step 2: Convert to fraction form
    304,786.20/457,179.30 = 127,234.20/x
  3. Step 3: Cross multiply
    304,786.20x = 457,179.30 × 127,234.20
  4. Step 4: Simplify right side
    304,786.20x = 58,168,842,492.06
  5. Step 5: Solve for x
    x = 58,168,842,492.06/304,786.20
  6. Step 6: Final answer
    x = 190,851.30

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1.5x scale

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.