Home / 219,015.88-302,241.77-123,522.34

Finding the Fourth Proportional to 219,015.88, 302,241.77 and 123,522.34

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Solution

The fourth proportional to 219,015.88, 302,241.77 and 123,522.34 is: 170,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,015.88 : 302,241.77 = 123,522.34 : x
  2. Step 2: Convert to fraction form
    219,015.88/302,241.77 = 123,522.34/x
  3. Step 3: Cross multiply
    219,015.88x = 302,241.77 × 123,522.34
  4. Step 4: Simplify right side
    219,015.88x = 37,333,610,676.14
  5. Step 5: Solve for x
    x = 37,333,610,676.14/219,015.88
  6. Step 6: Final answer
    x = 170,460.75

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1.5x scale

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.