Home / 181,428.28-272,192.28-55,072.60

Finding the Fourth Proportional to 181,428.28, 272,192.28 and 55,072.60

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Solution

The fourth proportional to 181,428.28, 272,192.28 and 55,072.60 is: 82,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,428.28 : 272,192.28 = 55,072.60 : x
  2. Step 2: Convert to fraction form
    181,428.28/272,192.28 = 55,072.60/x
  3. Step 3: Cross multiply
    181,428.28x = 272,192.28 × 55,072.60
  4. Step 4: Simplify right side
    181,428.28x = 14,990,336,559.53
  5. Step 5: Solve for x
    x = 14,990,336,559.53/181,428.28
  6. Step 6: Final answer
    x = 82,624.04

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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.