Home / 125,807.34-188,716.23-40,426.86

Finding the Fourth Proportional to 125,807.34, 188,716.23 and 40,426.86

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Solution

The fourth proportional to 125,807.34, 188,716.23 and 40,426.86 is: 60,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807.34 : 188,716.23 = 40,426.86 : x
  2. Step 2: Convert to fraction form
    125,807.34/188,716.23 = 40,426.86/x
  3. Step 3: Cross multiply
    125,807.34x = 188,716.23 × 40,426.86
  4. Step 4: Simplify right side
    125,807.34x = 7,629,204,609.94
  5. Step 5: Solve for x
    x = 7,629,204,609.94/125,807.34
  6. Step 6: Final answer
    x = 60,641.97

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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.