Home / 163,633.36-225,815.40-92,012.76

Finding the Fourth Proportional to 163,633.36, 225,815.40 and 92,012.76

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Solution

The fourth proportional to 163,633.36, 225,815.40 and 92,012.76 is: 126,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,633.36 : 225,815.40 = 92,012.76 : x
  2. Step 2: Convert to fraction form
    163,633.36/225,815.40 = 92,012.76/x
  3. Step 3: Cross multiply
    163,633.36x = 225,815.40 × 92,012.76
  4. Step 4: Simplify right side
    163,633.36x = 20,777,898,204.50
  5. Step 5: Solve for x
    x = 20,777,898,204.50/163,633.36
  6. Step 6: Final answer
    x = 126,978.38

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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.