Home / 205,376.40-283,301.20-123,647.84

Finding the Fourth Proportional to 205,376.40, 283,301.20 and 123,647.84

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Solution

The fourth proportional to 205,376.40, 283,301.20 and 123,647.84 is: 170,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,376.40 : 283,301.20 = 123,647.84 : x
  2. Step 2: Convert to fraction form
    205,376.40/283,301.20 = 123,647.84/x
  3. Step 3: Cross multiply
    205,376.40x = 283,301.20 × 123,647.84
  4. Step 4: Simplify right side
    205,376.40x = 35,029,581,449.41
  5. Step 5: Solve for x
    x = 35,029,581,449.41/205,376.40
  6. Step 6: Final answer
    x = 170,562.84

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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.