Home / 104,206.56-156,309.12-25,320.96

Finding the Fourth Proportional to 104,206.56, 156,309.12 and 25,320.96

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Solution

The fourth proportional to 104,206.56, 156,309.12 and 25,320.96 is: 37,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,206.56 : 156,309.12 = 25,320.96 : x
  2. Step 2: Convert to fraction form
    104,206.56/156,309.12 = 25,320.96/x
  3. Step 3: Cross multiply
    104,206.56x = 156,309.12 × 25,320.96
  4. Step 4: Simplify right side
    104,206.56x = 3,957,896,975.16
  5. Step 5: Solve for x
    x = 3,957,896,975.16/104,206.56
  6. Step 6: Final answer
    x = 37,981.27

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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.