Home / 133,885.02-200,687.40-45,107.84

Finding the Fourth Proportional to 133,885.02, 200,687.40 and 45,107.84

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Solution

The fourth proportional to 133,885.02, 200,687.40 and 45,107.84 is: 67,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,885.02 : 200,687.40 = 45,107.84 : x
  2. Step 2: Convert to fraction form
    133,885.02/200,687.40 = 45,107.84/x
  3. Step 3: Cross multiply
    133,885.02x = 200,687.40 × 45,107.84
  4. Step 4: Simplify right side
    133,885.02x = 9,052,575,129.22
  5. Step 5: Solve for x
    x = 9,052,575,129.22/133,885.02
  6. Step 6: Final answer
    x = 67,614.55

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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.