Home / 163,266.22-225,305.51-91,644.40

Finding the Fourth Proportional to 163,266.22, 225,305.51 and 91,644.40

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Solution

The fourth proportional to 163,266.22, 225,305.51 and 91,644.40 is: 126,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,266.22 : 225,305.51 = 91,644.40 : x
  2. Step 2: Convert to fraction form
    163,266.22/225,305.51 = 91,644.40/x
  3. Step 3: Cross multiply
    163,266.22x = 225,305.51 × 91,644.40
  4. Step 4: Simplify right side
    163,266.22x = 20,647,988,280.64
  5. Step 5: Solve for x
    x = 20,647,988,280.64/163,266.22
  6. Step 6: Final answer
    x = 126,468.22

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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.