Home / 163,721.85-225,933.75-92,101.92

Finding the Fourth Proportional to 163,721.85, 225,933.75 and 92,101.92

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Solution

The fourth proportional to 163,721.85, 225,933.75 and 92,101.92 is: 127,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,721.85 : 225,933.75 = 92,101.92 : x
  2. Step 2: Convert to fraction form
    163,721.85/225,933.75 = 92,101.92/x
  3. Step 3: Cross multiply
    163,721.85x = 225,933.75 × 92,101.92
  4. Step 4: Simplify right side
    163,721.85x = 20,808,932,167.80
  5. Step 5: Solve for x
    x = 20,808,932,167.80/163,721.85
  6. Step 6: Final answer
    x = 127,099.30

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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.