Home / 163,641.36-225,826.44-92,020.78

Finding the Fourth Proportional to 163,641.36, 225,826.44 and 92,020.78

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Solution

The fourth proportional to 163,641.36, 225,826.44 and 92,020.78 is: 126,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,641.36 : 225,826.44 = 92,020.78 : x
  2. Step 2: Convert to fraction form
    163,641.36/225,826.44 = 92,020.78/x
  3. Step 3: Cross multiply
    163,641.36x = 225,826.44 × 92,020.78
  4. Step 4: Simplify right side
    163,641.36x = 20,780,725,153.42
  5. Step 5: Solve for x
    x = 20,780,725,153.42/163,641.36
  6. Step 6: Final answer
    x = 126,989.44

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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.