Home / 135,459.84-203,208.82-56,556.12

Finding the Fourth Proportional to 135,459.84, 203,208.82 and 56,556.12

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Solution

The fourth proportional to 135,459.84, 203,208.82 and 56,556.12 is: 84,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,459.84 : 203,208.82 = 56,556.12 : x
  2. Step 2: Convert to fraction form
    135,459.84/203,208.82 = 56,556.12/x
  3. Step 3: Cross multiply
    135,459.84x = 203,208.82 × 56,556.12
  4. Step 4: Simplify right side
    135,459.84x = 11,492,702,408.98
  5. Step 5: Solve for x
    x = 11,492,702,408.98/135,459.84
  6. Step 6: Final answer
    x = 84,842.14

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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.