Home / 146,729.13-220,125.26-45,525.16

Finding the Fourth Proportional to 146,729.13, 220,125.26 and 45,525.16

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Solution

The fourth proportional to 146,729.13, 220,125.26 and 45,525.16 is: 68,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,729.13 : 220,125.26 = 45,525.16 : x
  2. Step 2: Convert to fraction form
    146,729.13/220,125.26 = 45,525.16/x
  3. Step 3: Cross multiply
    146,729.13x = 220,125.26 × 45,525.16
  4. Step 4: Simplify right side
    146,729.13x = 10,021,237,681.54
  5. Step 5: Solve for x
    x = 10,021,237,681.54/146,729.13
  6. Step 6: Final answer
    x = 68,297.53

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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.