Home / 122,516.19-183,781.20-43,630.43

Finding the Fourth Proportional to 122,516.19, 183,781.20 and 43,630.43

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Solution

The fourth proportional to 122,516.19, 183,781.20 and 43,630.43 is: 65,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516.19 : 183,781.20 = 43,630.43 : x
  2. Step 2: Convert to fraction form
    122,516.19/183,781.20 = 43,630.43/x
  3. Step 3: Cross multiply
    122,516.19x = 183,781.20 × 43,630.43
  4. Step 4: Simplify right side
    122,516.19x = 8,018,452,781.92
  5. Step 5: Solve for x
    x = 8,018,452,781.92/122,516.19
  6. Step 6: Final answer
    x = 65,448.11

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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.