Home / 119,122.40-178,703.04-40,241.44

Finding the Fourth Proportional to 119,122.40, 178,703.04 and 40,241.44

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Solution

The fourth proportional to 119,122.40, 178,703.04 and 40,241.44 is: 60,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,122.40 : 178,703.04 = 40,241.44 : x
  2. Step 2: Convert to fraction form
    119,122.40/178,703.04 = 40,241.44/x
  3. Step 3: Cross multiply
    119,122.40x = 178,703.04 × 40,241.44
  4. Step 4: Simplify right side
    119,122.40x = 7,191,267,661.98
  5. Step 5: Solve for x
    x = 7,191,267,661.98/119,122.40
  6. Step 6: Final answer
    x = 60,368.73

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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.