Home / 181,622.49-272,475.20-55,280.64

Finding the Fourth Proportional to 181,622.49, 272,475.20 and 55,280.64

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Solution

The fourth proportional to 181,622.49, 272,475.20 and 55,280.64 is: 82,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,622.49 : 272,475.20 = 55,280.64 : x
  2. Step 2: Convert to fraction form
    181,622.49/272,475.20 = 55,280.64/x
  3. Step 3: Cross multiply
    181,622.49x = 272,475.20 × 55,280.64
  4. Step 4: Simplify right side
    181,622.49x = 15,062,604,600.11
  5. Step 5: Solve for x
    x = 15,062,604,600.11/181,622.49
  6. Step 6: Final answer
    x = 82,933.59

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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.