Home / 122,543.10-183,771.45-43,659.90

Finding the Fourth Proportional to 122,543.10, 183,771.45 and 43,659.90

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Solution

The fourth proportional to 122,543.10, 183,771.45 and 43,659.90 is: 65,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,543.10 : 183,771.45 = 43,659.90 : x
  2. Step 2: Convert to fraction form
    122,543.10/183,771.45 = 43,659.90/x
  3. Step 3: Cross multiply
    122,543.10x = 183,771.45 × 43,659.90
  4. Step 4: Simplify right side
    122,543.10x = 8,023,443,129.86
  5. Step 5: Solve for x
    x = 8,023,443,129.86/122,543.10
  6. Step 6: Final answer
    x = 65,474.46

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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.