Home / 124,546.80-186,795.90-40,286.55

Finding the Fourth Proportional to 124,546.80, 186,795.90 and 40,286.55

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Solution

The fourth proportional to 124,546.80, 186,795.90 and 40,286.55 is: 60,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,546.80 : 186,795.90 = 40,286.55 : x
  2. Step 2: Convert to fraction form
    124,546.80/186,795.90 = 40,286.55/x
  3. Step 3: Cross multiply
    124,546.80x = 186,795.90 × 40,286.55
  4. Step 4: Simplify right side
    124,546.80x = 7,525,362,365.15
  5. Step 5: Solve for x
    x = 7,525,362,365.15/124,546.80
  6. Step 6: Final answer
    x = 60,421.96

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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.