Home / 128,357.37-192,495.09-44,097.21

Finding the Fourth Proportional to 128,357.37, 192,495.09 and 44,097.21

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Solution

The fourth proportional to 128,357.37, 192,495.09 and 44,097.21 is: 66,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,357.37 : 192,495.09 = 44,097.21 : x
  2. Step 2: Convert to fraction form
    128,357.37/192,495.09 = 44,097.21/x
  3. Step 3: Cross multiply
    128,357.37x = 192,495.09 × 44,097.21
  4. Step 4: Simplify right side
    128,357.37x = 8,488,496,407.70
  5. Step 5: Solve for x
    x = 8,488,496,407.70/128,357.37
  6. Step 6: Final answer
    x = 66,131.74

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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.