Home / 163,297.62-225,333.90-91,685.52

Finding the Fourth Proportional to 163,297.62, 225,333.90 and 91,685.52

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Solution

The fourth proportional to 163,297.62, 225,333.90 and 91,685.52 is: 126,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,297.62 : 225,333.90 = 91,685.52 : x
  2. Step 2: Convert to fraction form
    163,297.62/225,333.90 = 91,685.52/x
  3. Step 3: Cross multiply
    163,297.62x = 225,333.90 × 91,685.52
  4. Step 4: Simplify right side
    163,297.62x = 20,659,855,795.13
  5. Step 5: Solve for x
    x = 20,659,855,795.13/163,297.62
  6. Step 6: Final answer
    x = 126,516.58

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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.