Home / 104,370.05-156,257.10-97,749.11

Finding the Fourth Proportional to 104,370.05, 156,257.10 and 97,749.11

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Solution

The fourth proportional to 104,370.05, 156,257.10 and 97,749.11 is: 146,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,370.05 : 156,257.10 = 97,749.11 : x
  2. Step 2: Convert to fraction form
    104,370.05/156,257.10 = 97,749.11/x
  3. Step 3: Cross multiply
    104,370.05x = 156,257.10 × 97,749.11
  4. Step 4: Simplify right side
    104,370.05x = 15,273,992,846.82
  5. Step 5: Solve for x
    x = 15,273,992,846.82/104,370.05
  6. Step 6: Final answer
    x = 146,344.59

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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.