Home / 190,920.90-263,499.58-137,383.14

Finding the Fourth Proportional to 190,920.90, 263,499.58 and 137,383.14

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Solution

The fourth proportional to 190,920.90, 263,499.58 and 137,383.14 is: 189,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,920.90 : 263,499.58 = 137,383.14 : x
  2. Step 2: Convert to fraction form
    190,920.90/263,499.58 = 137,383.14/x
  3. Step 3: Cross multiply
    190,920.90x = 263,499.58 × 137,383.14
  4. Step 4: Simplify right side
    190,920.90x = 36,200,399,689.08
  5. Step 5: Solve for x
    x = 36,200,399,689.08/190,920.90
  6. Step 6: Final answer
    x = 189,609.41

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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.