Home / 125,438.64-188,171.33-36,692.61

Finding the Fourth Proportional to 125,438.64, 188,171.33 and 36,692.61

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Solution

The fourth proportional to 125,438.64, 188,171.33 and 36,692.61 is: 55,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,438.64 : 188,171.33 = 36,692.61 : x
  2. Step 2: Convert to fraction form
    125,438.64/188,171.33 = 36,692.61/x
  3. Step 3: Cross multiply
    125,438.64x = 188,171.33 × 36,692.61
  4. Step 4: Simplify right side
    125,438.64x = 6,904,497,041.41
  5. Step 5: Solve for x
    x = 6,904,497,041.41/125,438.64
  6. Step 6: Final answer
    x = 55,042.82

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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.