Home / 125,501.26-188,202.69-45,520.18

Finding the Fourth Proportional to 125,501.26, 188,202.69 and 45,520.18

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Solution

The fourth proportional to 125,501.26, 188,202.69 and 45,520.18 is: 68,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,501.26 : 188,202.69 = 45,520.18 : x
  2. Step 2: Convert to fraction form
    125,501.26/188,202.69 = 45,520.18/x
  3. Step 3: Cross multiply
    125,501.26x = 188,202.69 × 45,520.18
  4. Step 4: Simplify right side
    125,501.26x = 8,567,020,325.28
  5. Step 5: Solve for x
    x = 8,567,020,325.28/125,501.26
  6. Step 6: Final answer
    x = 68,262.42

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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.