Home / 128,237.37-192,338.07-43,996.15

Finding the Fourth Proportional to 128,237.37, 192,338.07 and 43,996.15

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Solution

The fourth proportional to 128,237.37, 192,338.07 and 43,996.15 is: 65,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,237.37 : 192,338.07 = 43,996.15 : x
  2. Step 2: Convert to fraction form
    128,237.37/192,338.07 = 43,996.15/x
  3. Step 3: Cross multiply
    128,237.37x = 192,338.07 × 43,996.15
  4. Step 4: Simplify right side
    128,237.37x = 8,462,134,578.43
  5. Step 5: Solve for x
    x = 8,462,134,578.43/128,237.37
  6. Step 6: Final answer
    x = 65,988.05

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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.