Home / 282,664.20-423,996.30-124,811.40

Finding the Fourth Proportional to 282,664.20, 423,996.30 and 124,811.40

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Solution

The fourth proportional to 282,664.20, 423,996.30 and 124,811.40 is: 187,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,664.20 : 423,996.30 = 124,811.40 : x
  2. Step 2: Convert to fraction form
    282,664.20/423,996.30 = 124,811.40/x
  3. Step 3: Cross multiply
    282,664.20x = 423,996.30 × 124,811.40
  4. Step 4: Simplify right side
    282,664.20x = 52,919,571,797.82
  5. Step 5: Solve for x
    x = 52,919,571,797.82/282,664.20
  6. Step 6: Final answer
    x = 187,217.10

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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.