Home / 125,638.39-188,480.67-41,403.52

Finding the Fourth Proportional to 125,638.39, 188,480.67 and 41,403.52

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Solution

The fourth proportional to 125,638.39, 188,480.67 and 41,403.52 is: 62,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,638.39 : 188,480.67 = 41,403.52 : x
  2. Step 2: Convert to fraction form
    125,638.39/188,480.67 = 41,403.52/x
  3. Step 3: Cross multiply
    125,638.39x = 188,480.67 × 41,403.52
  4. Step 4: Simplify right side
    125,638.39x = 7,803,763,189.96
  5. Step 5: Solve for x
    x = 7,803,763,189.96/125,638.39
  6. Step 6: Final answer
    x = 62,112.89

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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.