Home / 146,031.21-219,069.36-61,791.84

Finding the Fourth Proportional to 146,031.21, 219,069.36 and 61,791.84

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Solution

The fourth proportional to 146,031.21, 219,069.36 and 61,791.84 is: 92,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,031.21 : 219,069.36 = 61,791.84 : x
  2. Step 2: Convert to fraction form
    146,031.21/219,069.36 = 61,791.84/x
  3. Step 3: Cross multiply
    146,031.21x = 219,069.36 × 61,791.84
  4. Step 4: Simplify right side
    146,031.21x = 13,536,698,842.02
  5. Step 5: Solve for x
    x = 13,536,698,842.02/146,031.21
  6. Step 6: Final answer
    x = 92,697.30

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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.