Home / 181,808.28-272,731.08-69,582.90

Finding the Fourth Proportional to 181,808.28, 272,731.08 and 69,582.90

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Solution

The fourth proportional to 181,808.28, 272,731.08 and 69,582.90 is: 104,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,808.28 : 272,731.08 = 69,582.90 : x
  2. Step 2: Convert to fraction form
    181,808.28/272,731.08 = 69,582.90/x
  3. Step 3: Cross multiply
    181,808.28x = 272,731.08 × 69,582.90
  4. Step 4: Simplify right side
    181,808.28x = 18,977,419,466.53
  5. Step 5: Solve for x
    x = 18,977,419,466.53/181,808.28
  6. Step 6: Final answer
    x = 104,381.49

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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.