Home / 125,633.78-188,447.70-30,863.81

Finding the Fourth Proportional to 125,633.78, 188,447.70 and 30,863.81

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Solution

The fourth proportional to 125,633.78, 188,447.70 and 30,863.81 is: 46,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,633.78 : 188,447.70 = 30,863.81 : x
  2. Step 2: Convert to fraction form
    125,633.78/188,447.70 = 30,863.81/x
  3. Step 3: Cross multiply
    125,633.78x = 188,447.70 × 30,863.81
  4. Step 4: Simplify right side
    125,633.78x = 5,816,213,065.50
  5. Step 5: Solve for x
    x = 5,816,213,065.50/125,633.78
  6. Step 6: Final answer
    x = 46,294.98

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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.