Home / 125,780.56-188,695.32-41,537.20

Finding the Fourth Proportional to 125,780.56, 188,695.32 and 41,537.20

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Solution

The fourth proportional to 125,780.56, 188,695.32 and 41,537.20 is: 62,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,780.56 : 188,695.32 = 41,537.20 : x
  2. Step 2: Convert to fraction form
    125,780.56/188,695.32 = 41,537.20/x
  3. Step 3: Cross multiply
    125,780.56x = 188,695.32 × 41,537.20
  4. Step 4: Simplify right side
    125,780.56x = 7,837,875,245.90
  5. Step 5: Solve for x
    x = 7,837,875,245.90/125,780.56
  6. Step 6: Final answer
    x = 62,313.88

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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.