Home / 321,000.19-481,499.17-96,359.72

Finding the Fourth Proportional to 321,000.19, 481,499.17 and 96,359.72

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Solution

The fourth proportional to 321,000.19, 481,499.17 and 96,359.72 is: 144,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,000.19 : 481,499.17 = 96,359.72 : x
  2. Step 2: Convert to fraction form
    321,000.19/481,499.17 = 96,359.72/x
  3. Step 3: Cross multiply
    321,000.19x = 481,499.17 × 96,359.72
  4. Step 4: Simplify right side
    321,000.19x = 46,397,122,553.04
  5. Step 5: Solve for x
    x = 46,397,122,553.04/321,000.19
  6. Step 6: Final answer
    x = 144,539.24

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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.