Home / 190,979.25-263,459.21-127,235.49

Finding the Fourth Proportional to 190,979.25, 263,459.21 and 127,235.49

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Solution

The fourth proportional to 190,979.25, 263,459.21 and 127,235.49 is: 175,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,979.25 : 263,459.21 = 127,235.49 : x
  2. Step 2: Convert to fraction form
    190,979.25/263,459.21 = 127,235.49/x
  3. Step 3: Cross multiply
    190,979.25x = 263,459.21 × 127,235.49
  4. Step 4: Simplify right side
    190,979.25x = 33,521,361,679.36
  5. Step 5: Solve for x
    x = 33,521,361,679.36/190,979.25
  6. Step 6: Final answer
    x = 175,523.58

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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.