Home / 321,411.24-482,070.34-225,056.12

Finding the Fourth Proportional to 321,411.24, 482,070.34 and 225,056.12

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Solution

The fourth proportional to 321,411.24, 482,070.34 and 225,056.12 is: 337,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,411.24 : 482,070.34 = 225,056.12 : x
  2. Step 2: Convert to fraction form
    321,411.24/482,070.34 = 225,056.12/x
  3. Step 3: Cross multiply
    321,411.24x = 482,070.34 × 225,056.12
  4. Step 4: Simplify right side
    321,411.24x = 108,492,880,287.48
  5. Step 5: Solve for x
    x = 108,492,880,287.48/321,411.24
  6. Step 6: Final answer
    x = 337,551.61

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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.