Home / 133,131.40-199,690.30-48,885.09

Finding the Fourth Proportional to 133,131.40, 199,690.30 and 48,885.09

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Solution

The fourth proportional to 133,131.40, 199,690.30 and 48,885.09 is: 73,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,131.40 : 199,690.30 = 48,885.09 : x
  2. Step 2: Convert to fraction form
    133,131.40/199,690.30 = 48,885.09/x
  3. Step 3: Cross multiply
    133,131.40x = 199,690.30 × 48,885.09
  4. Step 4: Simplify right side
    133,131.40x = 9,761,877,768.08
  5. Step 5: Solve for x
    x = 9,761,877,768.08/133,131.40
  6. Step 6: Final answer
    x = 73,325.13

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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.