Home / 119,294.82-178,937.55-40,409.04

Finding the Fourth Proportional to 119,294.82, 178,937.55 and 40,409.04

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Solution

The fourth proportional to 119,294.82, 178,937.55 and 40,409.04 is: 60,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,294.82 : 178,937.55 = 40,409.04 : x
  2. Step 2: Convert to fraction form
    119,294.82/178,937.55 = 40,409.04/x
  3. Step 3: Cross multiply
    119,294.82x = 178,937.55 × 40,409.04
  4. Step 4: Simplify right side
    119,294.82x = 7,230,694,615.45
  5. Step 5: Solve for x
    x = 7,230,694,615.45/119,294.82
  6. Step 6: Final answer
    x = 60,611.98

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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.