Home / 417,976.65-626,767.34-161,929.17

Finding the Fourth Proportional to 417,976.65, 626,767.34 and 161,929.17

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Solution

The fourth proportional to 417,976.65, 626,767.34 and 161,929.17 is: 242,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,976.65 : 626,767.34 = 161,929.17 : x
  2. Step 2: Convert to fraction form
    417,976.65/626,767.34 = 161,929.17/x
  3. Step 3: Cross multiply
    417,976.65x = 626,767.34 × 161,929.17
  4. Step 4: Simplify right side
    417,976.65x = 101,491,914,339.66
  5. Step 5: Solve for x
    x = 101,491,914,339.66/417,976.65
  6. Step 6: Final answer
    x = 242,817.19

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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.