Home / 125,628.56-188,402.32-41,368.69

Finding the Fourth Proportional to 125,628.56, 188,402.32 and 41,368.69

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Solution

The fourth proportional to 125,628.56, 188,402.32 and 41,368.69 is: 62,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,628.56 : 188,402.32 = 41,368.69 : x
  2. Step 2: Convert to fraction form
    125,628.56/188,402.32 = 41,368.69/x
  3. Step 3: Cross multiply
    125,628.56x = 188,402.32 × 41,368.69
  4. Step 4: Simplify right side
    125,628.56x = 7,793,957,171.36
  5. Step 5: Solve for x
    x = 7,793,957,171.36/125,628.56
  6. Step 6: Final answer
    x = 62,039.69

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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.