Home / 108,331.20-162,496.80-92,433.60

Finding the Fourth Proportional to 108,331.20, 162,496.80 and 92,433.60

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Solution

The fourth proportional to 108,331.20, 162,496.80 and 92,433.60 is: 138,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,331.20 : 162,496.80 = 92,433.60 : x
  2. Step 2: Convert to fraction form
    108,331.20/162,496.80 = 92,433.60/x
  3. Step 3: Cross multiply
    108,331.20x = 162,496.80 × 92,433.60
  4. Step 4: Simplify right side
    108,331.20x = 15,020,164,212.48
  5. Step 5: Solve for x
    x = 15,020,164,212.48/108,331.20
  6. Step 6: Final answer
    x = 138,650.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.