Home / 122,540.22-183,821.66-47,666.04

Finding the Fourth Proportional to 122,540.22, 183,821.66 and 47,666.04

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Solution

The fourth proportional to 122,540.22, 183,821.66 and 47,666.04 is: 71,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,540.22 : 183,821.66 = 47,666.04 : x
  2. Step 2: Convert to fraction form
    122,540.22/183,821.66 = 47,666.04/x
  3. Step 3: Cross multiply
    122,540.22x = 183,821.66 × 47,666.04
  4. Step 4: Simplify right side
    122,540.22x = 8,762,050,360.10
  5. Step 5: Solve for x
    x = 8,762,050,360.10/122,540.22
  6. Step 6: Final answer
    x = 71,503.47

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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.