Home / 129,816.60-179,149.59-73,227.96

Finding the Fourth Proportional to 129,816.60, 179,149.59 and 73,227.96

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Solution

The fourth proportional to 129,816.60, 179,149.59 and 73,227.96 is: 101,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,816.60 : 179,149.59 = 73,227.96 : x
  2. Step 2: Convert to fraction form
    129,816.60/179,149.59 = 73,227.96/x
  3. Step 3: Cross multiply
    129,816.60x = 179,149.59 × 73,227.96
  4. Step 4: Simplify right side
    129,816.60x = 13,118,759,010.54
  5. Step 5: Solve for x
    x = 13,118,759,010.54/129,816.60
  6. Step 6: Final answer
    x = 101,056.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.