Home / 230,582.84-343,581.97-205,429.61

Finding the Fourth Proportional to 230,582.84, 343,581.97 and 205,429.61

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Solution

The fourth proportional to 230,582.84, 343,581.97 and 205,429.61 is: 306,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,582.84 : 343,581.97 = 205,429.61 : x
  2. Step 2: Convert to fraction form
    230,582.84/343,581.97 = 205,429.61/x
  3. Step 3: Cross multiply
    230,582.84x = 343,581.97 × 205,429.61
  4. Step 4: Simplify right side
    230,582.84x = 70,581,910,100.13
  5. Step 5: Solve for x
    x = 70,581,910,100.13/230,582.84
  6. Step 6: Final answer
    x = 306,102.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.