Home / 163,467.72-225,562.32-91,844.28

Finding the Fourth Proportional to 163,467.72, 225,562.32 and 91,844.28

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Solution

The fourth proportional to 163,467.72, 225,562.32 and 91,844.28 is: 126,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,467.72 : 225,562.32 = 91,844.28 : x
  2. Step 2: Convert to fraction form
    163,467.72/225,562.32 = 91,844.28/x
  3. Step 3: Cross multiply
    163,467.72x = 225,562.32 × 91,844.28
  4. Step 4: Simplify right side
    163,467.72x = 20,716,608,875.53
  5. Step 5: Solve for x
    x = 20,716,608,875.53/163,467.72
  6. Step 6: Final answer
    x = 126,732.11

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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.