Home / 456,732.18-684,910.83-136,771.29

Finding the Fourth Proportional to 456,732.18, 684,910.83 and 136,771.29

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Solution

The fourth proportional to 456,732.18, 684,910.83 and 136,771.29 is: 205,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,732.18 : 684,910.83 = 136,771.29 : x
  2. Step 2: Convert to fraction form
    456,732.18/684,910.83 = 136,771.29/x
  3. Step 3: Cross multiply
    456,732.18x = 684,910.83 × 136,771.29
  4. Step 4: Simplify right side
    456,732.18x = 93,676,137,754.07
  5. Step 5: Solve for x
    x = 93,676,137,754.07/456,732.18
  6. Step 6: Final answer
    x = 205,100.80

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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.