Home / 125,305.14-188,051.10-50,425.90

Finding the Fourth Proportional to 125,305.14, 188,051.10 and 50,425.90

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Solution

The fourth proportional to 125,305.14, 188,051.10 and 50,425.90 is: 75,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,305.14 : 188,051.10 = 50,425.90 : x
  2. Step 2: Convert to fraction form
    125,305.14/188,051.10 = 50,425.90/x
  3. Step 3: Cross multiply
    125,305.14x = 188,051.10 × 50,425.90
  4. Step 4: Simplify right side
    125,305.14x = 9,482,645,963.49
  5. Step 5: Solve for x
    x = 9,482,645,963.49/125,305.14
  6. Step 6: Final answer
    x = 75,676.44

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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.