Home / 181,405.80-272,109.24-55,047.06

Finding the Fourth Proportional to 181,405.80, 272,109.24 and 55,047.06

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Solution

The fourth proportional to 181,405.80, 272,109.24 and 55,047.06 is: 82,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,405.80 : 272,109.24 = 55,047.06 : x
  2. Step 2: Convert to fraction form
    181,405.80/272,109.24 = 55,047.06/x
  3. Step 3: Cross multiply
    181,405.80x = 272,109.24 × 55,047.06
  4. Step 4: Simplify right side
    181,405.80x = 14,978,813,660.83
  5. Step 5: Solve for x
    x = 14,978,813,660.83/181,405.80
  6. Step 6: Final answer
    x = 82,570.75

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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.