Home / 156,081.72-234,033.16-47,982.94

Finding the Fourth Proportional to 156,081.72, 234,033.16 and 47,982.94

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Solution

The fourth proportional to 156,081.72, 234,033.16 and 47,982.94 is: 71,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,081.72 : 234,033.16 = 47,982.94 : x
  2. Step 2: Convert to fraction form
    156,081.72/234,033.16 = 47,982.94/x
  3. Step 3: Cross multiply
    156,081.72x = 234,033.16 × 47,982.94
  4. Step 4: Simplify right side
    156,081.72x = 11,229,599,074.29
  5. Step 5: Solve for x
    x = 11,229,599,074.29/156,081.72
  6. Step 6: Final answer
    x = 71,946.92

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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.