Home / 190,105.54-262,411.23-109,565.17

Finding the Fourth Proportional to 190,105.54, 262,411.23 and 109,565.17

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Solution

The fourth proportional to 190,105.54, 262,411.23 and 109,565.17 is: 151,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,105.54 : 262,411.23 = 109,565.17 : x
  2. Step 2: Convert to fraction form
    190,105.54/262,411.23 = 109,565.17/x
  3. Step 3: Cross multiply
    190,105.54x = 262,411.23 × 109,565.17
  4. Step 4: Simplify right side
    190,105.54x = 28,751,131,024.86
  5. Step 5: Solve for x
    x = 28,751,131,024.86/190,105.54
  6. Step 6: Final answer
    x = 151,237.73

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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.