Home / 122,518.19-183,784.20-43,632.43

Finding the Fourth Proportional to 122,518.19, 183,784.20 and 43,632.43

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Solution

The fourth proportional to 122,518.19, 183,784.20 and 43,632.43 is: 65,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,518.19 : 183,784.20 = 43,632.43 : x
  2. Step 2: Convert to fraction form
    122,518.19/183,784.20 = 43,632.43/x
  3. Step 3: Cross multiply
    122,518.19x = 183,784.20 × 43,632.43
  4. Step 4: Simplify right side
    122,518.19x = 8,018,951,241.61
  5. Step 5: Solve for x
    x = 8,018,951,241.61/122,518.19
  6. Step 6: Final answer
    x = 65,451.11

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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.