Home / 122,213.51-183,221.70-43,284.68

Finding the Fourth Proportional to 122,213.51, 183,221.70 and 43,284.68

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Solution

The fourth proportional to 122,213.51, 183,221.70 and 43,284.68 is: 64,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,213.51 : 183,221.70 = 43,284.68 : x
  2. Step 2: Convert to fraction form
    122,213.51/183,221.70 = 43,284.68/x
  3. Step 3: Cross multiply
    122,213.51x = 183,221.70 × 43,284.68
  4. Step 4: Simplify right side
    122,213.51x = 7,930,692,262.21
  5. Step 5: Solve for x
    x = 7,930,692,262.21/122,213.51
  6. Step 6: Final answer
    x = 64,892.11

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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.