Home / 104,239.72-156,357.42-25,354.36

Finding the Fourth Proportional to 104,239.72, 156,357.42 and 25,354.36

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Solution

The fourth proportional to 104,239.72, 156,357.42 and 25,354.36 is: 38,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,239.72 : 156,357.42 = 25,354.36 : x
  2. Step 2: Convert to fraction form
    104,239.72/156,357.42 = 25,354.36/x
  3. Step 3: Cross multiply
    104,239.72x = 156,357.42 × 25,354.36
  4. Step 4: Simplify right side
    104,239.72x = 3,964,342,315.35
  5. Step 5: Solve for x
    x = 3,964,342,315.35/104,239.72
  6. Step 6: Final answer
    x = 38,031.01

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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.