Home / 163,604.10-225,767.88-91,988.22

Finding the Fourth Proportional to 163,604.10, 225,767.88 and 91,988.22

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Solution

The fourth proportional to 163,604.10, 225,767.88 and 91,988.22 is: 126,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,604.10 : 225,767.88 = 91,988.22 : x
  2. Step 2: Convert to fraction form
    163,604.10/225,767.88 = 91,988.22/x
  3. Step 3: Cross multiply
    163,604.10x = 225,767.88 × 91,988.22
  4. Step 4: Simplify right side
    163,604.10x = 20,767,985,414.37
  5. Step 5: Solve for x
    x = 20,767,985,414.37/163,604.10
  6. Step 6: Final answer
    x = 126,940.49

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1.5x scale

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.