Home / 204,417.20-307,144.20-181,607.60

Finding the Fourth Proportional to 204,417.20, 307,144.20 and 181,607.60

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Solution

The fourth proportional to 204,417.20, 307,144.20 and 181,607.60 is: 272,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,417.20 : 307,144.20 = 181,607.60 : x
  2. Step 2: Convert to fraction form
    204,417.20/307,144.20 = 181,607.60/x
  3. Step 3: Cross multiply
    204,417.20x = 307,144.20 × 181,607.60
  4. Step 4: Simplify right side
    204,417.20x = 55,779,721,015.92
  5. Step 5: Solve for x
    x = 55,779,721,015.92/204,417.20
  6. Step 6: Final answer
    x = 272,871.96

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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.