Home / 190,900.16-263,725.17-125,642.87

Finding the Fourth Proportional to 190,900.16, 263,725.17 and 125,642.87

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Solution

The fourth proportional to 190,900.16, 263,725.17 and 125,642.87 is: 173,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,900.16 : 263,725.17 = 125,642.87 : x
  2. Step 2: Convert to fraction form
    190,900.16/263,725.17 = 125,642.87/x
  3. Step 3: Cross multiply
    190,900.16x = 263,725.17 × 125,642.87
  4. Step 4: Simplify right side
    190,900.16x = 33,135,187,250.04
  5. Step 5: Solve for x
    x = 33,135,187,250.04/190,900.16
  6. Step 6: Final answer
    x = 173,573.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.