Home / 128,114.10-192,171.15-33,344.10

Finding the Fourth Proportional to 128,114.10, 192,171.15 and 33,344.10

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Solution

The fourth proportional to 128,114.10, 192,171.15 and 33,344.10 is: 50,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,114.10 : 192,171.15 = 33,344.10 : x
  2. Step 2: Convert to fraction form
    128,114.10/192,171.15 = 33,344.10/x
  3. Step 3: Cross multiply
    128,114.10x = 192,171.15 × 33,344.10
  4. Step 4: Simplify right side
    128,114.10x = 6,407,774,042.72
  5. Step 5: Solve for x
    x = 6,407,774,042.72/128,114.10
  6. Step 6: Final answer
    x = 50,016.15

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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.