Home / 456,727.19-685,156.41-141,208.70

Finding the Fourth Proportional to 456,727.19, 685,156.41 and 141,208.70

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Solution

The fourth proportional to 456,727.19, 685,156.41 and 141,208.70 is: 211,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,727.19 : 685,156.41 = 141,208.70 : x
  2. Step 2: Convert to fraction form
    456,727.19/685,156.41 = 141,208.70/x
  3. Step 3: Cross multiply
    456,727.19x = 685,156.41 × 141,208.70
  4. Step 4: Simplify right side
    456,727.19x = 96,750,042,526.99
  5. Step 5: Solve for x
    x = 96,750,042,526.99/456,727.19
  6. Step 6: Final answer
    x = 211,833.33

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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.