Home / 133,066.96-183,645-76,511.44

Finding the Fourth Proportional to 133,066.96, 183,645 and 76,511.44

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Solution

The fourth proportional to 133,066.96, 183,645 and 76,511.44 is: 105,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,066.96 : 183,645 = 76,511.44 : x
  2. Step 2: Convert to fraction form
    133,066.96/183,645 = 76,511.44/x
  3. Step 3: Cross multiply
    133,066.96x = 183,645 × 76,511.44
  4. Step 4: Simplify right side
    133,066.96x = 14,050,943,398.80
  5. Step 5: Solve for x
    x = 14,050,943,398.80/133,066.96
  6. Step 6: Final answer
    x = 105,593.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.