Home / 286,315.29-395,151.35-173,137.77

Finding the Fourth Proportional to 286,315.29, 395,151.35 and 173,137.77

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Solution

The fourth proportional to 286,315.29, 395,151.35 and 173,137.77 is: 238,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,315.29 : 395,151.35 = 173,137.77 : x
  2. Step 2: Convert to fraction form
    286,315.29/395,151.35 = 173,137.77/x
  3. Step 3: Cross multiply
    286,315.29x = 395,151.35 × 173,137.77
  4. Step 4: Simplify right side
    286,315.29x = 68,415,622,685.80
  5. Step 5: Solve for x
    x = 68,415,622,685.80/286,315.29
  6. Step 6: Final answer
    x = 238,952.04

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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.