Home / 190,680.57-263,151.68-110,111.49

Finding the Fourth Proportional to 190,680.57, 263,151.68 and 110,111.49

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Solution

The fourth proportional to 190,680.57, 263,151.68 and 110,111.49 is: 151,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680.57 : 263,151.68 = 110,111.49 : x
  2. Step 2: Convert to fraction form
    190,680.57/263,151.68 = 110,111.49/x
  3. Step 3: Cross multiply
    190,680.57x = 263,151.68 × 110,111.49
  4. Step 4: Simplify right side
    190,680.57x = 28,976,023,030.25
  5. Step 5: Solve for x
    x = 28,976,023,030.25/190,680.57
  6. Step 6: Final answer
    x = 151,961.07

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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.