Home / 205,196.11-283,288.42-156,415.07

Finding the Fourth Proportional to 205,196.11, 283,288.42 and 156,415.07

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Solution

The fourth proportional to 205,196.11, 283,288.42 and 156,415.07 is: 215,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,196.11 : 283,288.42 = 156,415.07 : x
  2. Step 2: Convert to fraction form
    205,196.11/283,288.42 = 156,415.07/x
  3. Step 3: Cross multiply
    205,196.11x = 283,288.42 × 156,415.07
  4. Step 4: Simplify right side
    205,196.11x = 44,310,578,948.23
  5. Step 5: Solve for x
    x = 44,310,578,948.23/205,196.11
  6. Step 6: Final answer
    x = 215,942.59

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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.