Home / 120,910.40-181,187.04-58,506.56

Finding the Fourth Proportional to 120,910.40, 181,187.04 and 58,506.56

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Solution

The fourth proportional to 120,910.40, 181,187.04 and 58,506.56 is: 87,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,910.40 : 181,187.04 = 58,506.56 : x
  2. Step 2: Convert to fraction form
    120,910.40/181,187.04 = 58,506.56/x
  3. Step 3: Cross multiply
    120,910.40x = 181,187.04 × 58,506.56
  4. Step 4: Simplify right side
    120,910.40x = 10,600,630,426.98
  5. Step 5: Solve for x
    x = 10,600,630,426.98/120,910.40
  6. Step 6: Final answer
    x = 87,673.44

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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.