Home / 190,653.92-263,109.44-115,187.84

Finding the Fourth Proportional to 190,653.92, 263,109.44 and 115,187.84

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Solution

The fourth proportional to 190,653.92, 263,109.44 and 115,187.84 is: 158,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,653.92 : 263,109.44 = 115,187.84 : x
  2. Step 2: Convert to fraction form
    190,653.92/263,109.44 = 115,187.84/x
  3. Step 3: Cross multiply
    190,653.92x = 263,109.44 × 115,187.84
  4. Step 4: Simplify right side
    190,653.92x = 30,307,008,077.21
  5. Step 5: Solve for x
    x = 30,307,008,077.21/190,653.92
  6. Step 6: Final answer
    x = 158,963.47

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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.