Home / 104,083.32-156,124.74-80,425.26

Finding the Fourth Proportional to 104,083.32, 156,124.74 and 80,425.26

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Solution

The fourth proportional to 104,083.32, 156,124.74 and 80,425.26 is: 120,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,083.32 : 156,124.74 = 80,425.26 : x
  2. Step 2: Convert to fraction form
    104,083.32/156,124.74 = 80,425.26/x
  3. Step 3: Cross multiply
    104,083.32x = 156,124.74 × 80,425.26
  4. Step 4: Simplify right side
    104,083.32x = 12,556,372,806.93
  5. Step 5: Solve for x
    x = 12,556,372,806.93/104,083.32
  6. Step 6: Final answer
    x = 120,637.70

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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.