Home / 311,669.04-467,581.28-90,053.04

Finding the Fourth Proportional to 311,669.04, 467,581.28 and 90,053.04

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Solution

The fourth proportional to 311,669.04, 467,581.28 and 90,053.04 is: 135,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,669.04 : 467,581.28 = 90,053.04 : x
  2. Step 2: Convert to fraction form
    311,669.04/467,581.28 = 90,053.04/x
  3. Step 3: Cross multiply
    311,669.04x = 467,581.28 × 90,053.04
  4. Step 4: Simplify right side
    311,669.04x = 42,107,115,711.09
  5. Step 5: Solve for x
    x = 42,107,115,711.09/311,669.04
  6. Step 6: Final answer
    x = 135,102.02

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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.