Home / 122,451.60-183,634.20-43,568.40

Finding the Fourth Proportional to 122,451.60, 183,634.20 and 43,568.40

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Solution

The fourth proportional to 122,451.60, 183,634.20 and 43,568.40 is: 65,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,451.60 : 183,634.20 = 43,568.40 : x
  2. Step 2: Convert to fraction form
    122,451.60/183,634.20 = 43,568.40/x
  3. Step 3: Cross multiply
    122,451.60x = 183,634.20 × 43,568.40
  4. Step 4: Simplify right side
    122,451.60x = 8,000,648,279.28
  5. Step 5: Solve for x
    x = 8,000,648,279.28/122,451.60
  6. Step 6: Final answer
    x = 65,337.23

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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.