Home / 128,339.64-192,507.84-44,161.20

Finding the Fourth Proportional to 128,339.64, 192,507.84 and 44,161.20

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Solution

The fourth proportional to 128,339.64, 192,507.84 and 44,161.20 is: 66,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,339.64 : 192,507.84 = 44,161.20 : x
  2. Step 2: Convert to fraction form
    128,339.64/192,507.84 = 44,161.20/x
  3. Step 3: Cross multiply
    128,339.64x = 192,507.84 × 44,161.20
  4. Step 4: Simplify right side
    128,339.64x = 8,501,377,223.81
  5. Step 5: Solve for x
    x = 8,501,377,223.81/128,339.64
  6. Step 6: Final answer
    x = 66,241.24

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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.