Home / 104,239.31-156,575.66-84,271.41

Finding the Fourth Proportional to 104,239.31, 156,575.66 and 84,271.41

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Solution

The fourth proportional to 104,239.31, 156,575.66 and 84,271.41 is: 126,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,239.31 : 156,575.66 = 84,271.41 : x
  2. Step 2: Convert to fraction form
    104,239.31/156,575.66 = 84,271.41/x
  3. Step 3: Cross multiply
    104,239.31x = 156,575.66 × 84,271.41
  4. Step 4: Simplify right side
    104,239.31x = 13,194,851,218.52
  5. Step 5: Solve for x
    x = 13,194,851,218.52/104,239.31
  6. Step 6: Final answer
    x = 126,582.30

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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.