Home / 163,778.76-225,997.29-92,157.55

Finding the Fourth Proportional to 163,778.76, 225,997.29 and 92,157.55

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Solution

The fourth proportional to 163,778.76, 225,997.29 and 92,157.55 is: 127,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,778.76 : 225,997.29 = 92,157.55 : x
  2. Step 2: Convert to fraction form
    163,778.76/225,997.29 = 92,157.55/x
  3. Step 3: Cross multiply
    163,778.76x = 225,997.29 × 92,157.55
  4. Step 4: Simplify right side
    163,778.76x = 20,827,355,988.05
  5. Step 5: Solve for x
    x = 20,827,355,988.05/163,778.76
  6. Step 6: Final answer
    x = 127,167.63

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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.