Home / 190,108.73-262,377.75-109,520.75

Finding the Fourth Proportional to 190,108.73, 262,377.75 and 109,520.75

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Solution

The fourth proportional to 190,108.73, 262,377.75 and 109,520.75 is: 151,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,108.73 : 262,377.75 = 109,520.75 : x
  2. Step 2: Convert to fraction form
    190,108.73/262,377.75 = 109,520.75/x
  3. Step 3: Cross multiply
    190,108.73x = 262,377.75 × 109,520.75
  4. Step 4: Simplify right side
    190,108.73x = 28,735,806,651.42
  5. Step 5: Solve for x
    x = 28,735,806,651.42/190,108.73
  6. Step 6: Final answer
    x = 151,154.59

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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.