Home / 181,821.08-272,760.48-55,432.38

Finding the Fourth Proportional to 181,821.08, 272,760.48 and 55,432.38

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Solution

The fourth proportional to 181,821.08, 272,760.48 and 55,432.38 is: 83,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,821.08 : 272,760.48 = 55,432.38 : x
  2. Step 2: Convert to fraction form
    181,821.08/272,760.48 = 55,432.38/x
  3. Step 3: Cross multiply
    181,821.08x = 272,760.48 × 55,432.38
  4. Step 4: Simplify right side
    181,821.08x = 15,119,762,576.34
  5. Step 5: Solve for x
    x = 15,119,762,576.34/181,821.08
  6. Step 6: Final answer
    x = 83,157.37

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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.