Home / 348,619.20-481,127.04-205,423.68

Finding the Fourth Proportional to 348,619.20, 481,127.04 and 205,423.68

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Solution

The fourth proportional to 348,619.20, 481,127.04 and 205,423.68 is: 283,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,619.20 : 481,127.04 = 205,423.68 : x
  2. Step 2: Convert to fraction form
    348,619.20/481,127.04 = 205,423.68/x
  3. Step 3: Cross multiply
    348,619.20x = 481,127.04 × 205,423.68
  4. Step 4: Simplify right side
    348,619.20x = 98,834,887,104.31
  5. Step 5: Solve for x
    x = 98,834,887,104.31/348,619.20
  6. Step 6: Final answer
    x = 283,503.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.